User:Guy vandegrift/Quizbank/Archive1/College Physics/II FE
Contents
TrigPhysFE_151021[edit]
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TrigPhysFE_151021v1s1[edit]
1. What are examples of energy?
 ___ a) momentum
 ___ b)
 ___ c) all of the above
 ___ d) heat
2. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?
 ___ a) they are not receding away from us
 ___ b) they have a wide variety of speeds
 ___ c) they all have nearly the same speed
 ___ d) the cluster is close to us
3. An object is placed 4.15 cm to the left of a converging lens with a focal length of 3.6 cm. How far is the image from the lens?
 ___a) 8.59 x 10^{0} cm
 ___b) 1.53 x 10^{1} cm
 ___c) 2.72 x 10^{1} cm
 ___d) 4.83 x 10^{1} cm
 ___e) 8.59 x 10^{1} cm
4. What is the speed of a transverse wave on a string if the string is 1.13 m long, clamped at both ends, and harmonic number 5 has a frequency of 409 Hz?
 ___a) 1.26 x 10^{2} unit
 ___b) 1.53 x 10^{2} unit
 ___c) 1.85 x 10^{2} unit
 ___d) 2.24 x 10^{2} unit
 ___e) 2.71 x 10^{2} unit
5. How fast is a 2663 eV electron moving?
 ___a) 3.1 x 10^{7} m/s.
 ___b) 4.6 x 10^{7} m/s.
 ___c) 6.9 x 10^{7} m/s.
 ___d) 1 x 10^{8} m/s.
 ___e) 1.5 x 10^{8} m/s.
7. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?
 ___ a) The difference in path lengths creates more echo.
 ___ b) Rough walls make for a louder sound.
 ___ c) The difference in path lengths creates more reverberation.
8. Why don't we hear beats when two different notes on a piano are played at the same time?
 ___ a) Echo usually stifles the beats
 ___ b) Reverberation usually stifles the beats
 ___ c) The beats happen so many times per second you can't hear them.
 ___ d) The note is over by the time the first beat is heard
9. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the y component of the electric field at (x,y) =( 1.1a, 1.2a) is βkQ/a^{2}, where β equals
 ___a) 1.61 x 10^{1} unit
 ___b) 1.95 x 10^{1} unit
 ___c) 2.36 x 10^{1} unit
 ___d) 2.86 x 10^{1} unit
 ___e) 3.47 x 10^{1} unit
10. What was Plank's understanding of the significance of his work on blackbody radiation?
 ___ a) he knew it would someday win him a Nobel prize
 ___ b) the thought it was some sort of mathematical trick
 ___ c) he eventually convinced his dissertation committee that the theory was correct
 ___ d) he was afraid to publish it for fear of losing his reputation
 ___ a) how a nearsighted person might see an object that is too close for comfort
 ___ b) how a nearsighted person might see a distant object
 ___ c) how a farsighted person might see a distant object
 ___ d) how a farsighted person might see an object that is too close for comfort
12. A 7.5 ohm resistor is connected in series to a pair of 7 ohm resistors that are in parallel. What is the net resistance?
 ___a) 8.3 ohms.
 ___b) 9.6 ohms.
 ___c) 11 ohms.
 ___d) 12.7 ohms.
 ___e) 14.5 ohms.
13. The same parallel plate capacitor, with area 0.75 m^{2}, plate separation 0.53mm, and an applied voltage of 3.55 kV. How much charge is stored?
 ___a) 29.25 μC.
 ___b) 33.63 μC.
 ___c) 38.68 μC.
 ___d) 44.48 μC.
 ___e) 51.15 μC.
14. A cosmic ray alpha particle encounters Earth's magnetic field at right angles to a field of 11.4 μT. The kinetic energy is 307 keV. What is the radius of particle's orbit?
 ___a) 7 x 10^{1} m.
 ___b) 2.2 x 10^{2} m.
 ___c) 7 x 10^{2} m.
 ___d) 2.2 x 10^{3} m.
 ___e) 7 x 10^{3} m.
15. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
 ___ a) true
 ___ b) false
16. An important principle that allows fiber optics to work is
 ___ a) the invariance of the speed of light
 ___ b) total internal reflection
 ___ c) total external refraction
 ___ d) the Doppler shift
 ___ e) partial internal absorption
Key to TrigPhysFE_151021v1s1[edit]
1. What are examples of energy?
  a) momentum
  b)
 + c) all of the above
  d) heat
2. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?
  a) they are not receding away from us
 + b) they have a wide variety of speeds
  c) they all have nearly the same speed
  d) the cluster is close to us
3. An object is placed 4.15 cm to the left of a converging lens with a focal length of 3.6 cm. How far is the image from the lens?
 a) 8.59 x 10^{0} cm
 b) 1.53 x 10^{1} cm
 +c) 2.72 x 10^{1} cm
 d) 4.83 x 10^{1} cm
 e) 8.59 x 10^{1} cm
4. What is the speed of a transverse wave on a string if the string is 1.13 m long, clamped at both ends, and harmonic number 5 has a frequency of 409 Hz?
 a) 1.26 x 10^{2} unit
 b) 1.53 x 10^{2} unit
 +c) 1.85 x 10^{2} unit
 d) 2.24 x 10^{2} unit
 e) 2.71 x 10^{2} unit
5. How fast is a 2663 eV electron moving?
 +a) 3.1 x 10^{7} m/s.
 b) 4.6 x 10^{7} m/s.
 c) 6.9 x 10^{7} m/s.
 d) 1 x 10^{8} m/s.
 e) 1.5 x 10^{8} m/s.
7. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?
  a) The difference in path lengths creates more echo.
  b) Rough walls make for a louder sound.
 + c) The difference in path lengths creates more reverberation.
8. Why don't we hear beats when two different notes on a piano are played at the same time?
  a) Echo usually stifles the beats
  b) Reverberation usually stifles the beats
 + c) The beats happen so many times per second you can't hear them.
  d) The note is over by the time the first beat is heard
9. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the y component of the electric field at (x,y) =( 1.1a, 1.2a) is βkQ/a^{2}, where β equals
 a) 1.61 x 10^{1} unit
 b) 1.95 x 10^{1} unit
 c) 2.36 x 10^{1} unit
 d) 2.86 x 10^{1} unit
 +e) 3.47 x 10^{1} unit
10. What was Plank's understanding of the significance of his work on blackbody radiation?
  a) he knew it would someday win him a Nobel prize
 + b) the thought it was some sort of mathematical trick
  c) he eventually convinced his dissertation committee that the theory was correct
  d) he was afraid to publish it for fear of losing his reputation
  a) how a nearsighted person might see an object that is too close for comfort
  b) how a nearsighted person might see a distant object
  c) how a farsighted person might see a distant object
 + d) how a farsighted person might see an object that is too close for comfort
12. A 7.5 ohm resistor is connected in series to a pair of 7 ohm resistors that are in parallel. What is the net resistance?
 a) 8.3 ohms.
 b) 9.6 ohms.
 +c) 11 ohms.
 d) 12.7 ohms.
 e) 14.5 ohms.
13. The same parallel plate capacitor, with area 0.75 m^{2}, plate separation 0.53mm, and an applied voltage of 3.55 kV. How much charge is stored?
 a) 29.25 μC.
 b) 33.63 μC.
 c) 38.68 μC.
 +d) 44.48 μC.
 e) 51.15 μC.
14. A cosmic ray alpha particle encounters Earth's magnetic field at right angles to a field of 11.4 μT. The kinetic energy is 307 keV. What is the radius of particle's orbit?
 a) 7 x 10^{1} m.
 b) 2.2 x 10^{2} m.
 c) 7 x 10^{2} m.
 d) 2.2 x 10^{3} m.
 +e) 7 x 10^{3} m.
15. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
  a) true
 + b) false
16. An important principle that allows fiber optics to work is
  a) the invariance of the speed of light
 + b) total internal reflection
  c) total external refraction
  d) the Doppler shift
  e) partial internal absorption
TrigPhysFE_151021v2s1[edit]
1. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?
 ___ a) The difference in path lengths creates more echo.
 ___ b) The difference in path lengths creates more reverberation.
 ___ c) Rough walls make for a louder sound.
2. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the y component of the electric field at (x,y) =( 1.1a, 1.2a) is βkQ/a^{2}, where β equals
 ___a) 1.95 x 10^{1} unit
 ___b) 2.36 x 10^{1} unit
 ___c) 2.86 x 10^{1} unit
 ___d) 3.47 x 10^{1} unit
 ___e) 4.2 x 10^{1} unit
3. An object is placed 3.55 cm to the left of a converging lens with a focal length of 6.8 cm. How far is the image from the lens?
 ___a) 4.18 x 10^{0} cm
 ___b) 7.43 x 10^{0} cm
 ___c) 1.32 x 10^{1} cm
 ___d) 2.35 x 10^{1} cm
 ___e) 4.18 x 10^{1} cm
4. Why don't we hear beats when two different notes on a piano are played at the same time?
 ___ a) Echo usually stifles the beats
 ___ b) The beats happen so many times per second you can't hear them.
 ___ c) Reverberation usually stifles the beats
 ___ d) The note is over by the time the first beat is heard
5. How fast is a 2355 eV electron moving?
 ___a) 1.9 x 10^{7} m/s.
 ___b) 2.9 x 10^{7} m/s.
 ___c) 4.3 x 10^{7} m/s.
 ___d) 6.5 x 10^{7} m/s.
 ___e) 9.7 x 10^{7} m/s.
 ___ a) how a nearsighted person might see a distant object
 ___ b) how a farsighted person might see an object that is too close for comfort
 ___ c) how a nearsighted person might see an object that is too close for comfort
 ___ d) how a farsighted person might see a distant object
7. An important principle that allows fiber optics to work is
 ___ a) total internal reflection
 ___ b) total external refraction
 ___ c) the invariance of the speed of light
 ___ d) partial internal absorption
 ___ e) the Doppler shift
8. What are examples of energy?
 ___ a) momentum
 ___ b) all of the above
 ___ c)
 ___ d) heat
10. The same parallel plate capacitor, with area 0.75 m^{2}, plate separation 0.53mm, and an applied voltage of 3.55 kV. How much charge is stored?
 ___a) 29.25 μC.
 ___b) 33.63 μC.
 ___c) 38.68 μC.
 ___d) 44.48 μC.
 ___e) 51.15 μC.
11. A 6.6 ohm resistor is connected in series to a pair of 6.4 ohm resistors that are in parallel. What is the net resistance?
 ___a) 6.4 ohms.
 ___b) 7.4 ohms.
 ___c) 8.5 ohms.
 ___d) 9.8 ohms.
 ___e) 11.3 ohms.
12. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?
 ___ a) they are not receding away from us
 ___ b) they have a wide variety of speeds
 ___ c) they all have nearly the same speed
 ___ d) the cluster is close to us
13. What was Plank's understanding of the significance of his work on blackbody radiation?
 ___ a) he knew it would someday win him a Nobel prize
 ___ b) he eventually convinced his dissertation committee that the theory was correct
 ___ c) he was afraid to publish it for fear of losing his reputation
 ___ d) the thought it was some sort of mathematical trick
14. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
 ___ a) true
 ___ b) false
15. A cosmic ray alpha particle encounters Earth's magnetic field at right angles to a field of 11.4 μT. The kinetic energy is 307 keV. What is the radius of particle's orbit?
 ___a) 7 x 10^{1} m.
 ___b) 2.2 x 10^{2} m.
 ___c) 7 x 10^{2} m.
 ___d) 2.2 x 10^{3} m.
 ___e) 7 x 10^{3} m.
16. What is the speed of a transverse wave on a string if the string is 1.05 m long, clamped at both ends, and harmonic number 5 has a frequency of 153 Hz?
 ___a) 5.3 x 10^{1} unit
 ___b) 6.43 x 10^{1} unit
 ___c) 7.79 x 10^{1} unit
 ___d) 9.43 x 10^{1} unit
 ___e) 1.14 x 10^{2} unit
Key to TrigPhysFE_151021v2s1[edit]
1. Why do rough walls give a concert hall a “fuller” sound, compared to smooth walls?
  a) The difference in path lengths creates more echo.
 + b) The difference in path lengths creates more reverberation.
  c) Rough walls make for a louder sound.
2. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the y component of the electric field at (x,y) =( 1.1a, 1.2a) is βkQ/a^{2}, where β equals
 a) 1.95 x 10^{1} unit
 b) 2.36 x 10^{1} unit
 c) 2.86 x 10^{1} unit
 +d) 3.47 x 10^{1} unit
 e) 4.2 x 10^{1} unit
3. An object is placed 3.55 cm to the left of a converging lens with a focal length of 6.8 cm. How far is the image from the lens?
 a) 4.18 x 10^{0} cm
 +b) 7.43 x 10^{0} cm
 c) 1.32 x 10^{1} cm
 d) 2.35 x 10^{1} cm
 e) 4.18 x 10^{1} cm
4. Why don't we hear beats when two different notes on a piano are played at the same time?
  a) Echo usually stifles the beats
 + b) The beats happen so many times per second you can't hear them.
  c) Reverberation usually stifles the beats
  d) The note is over by the time the first beat is heard
5. How fast is a 2355 eV electron moving?
 a) 1.9 x 10^{7} m/s.
 +b) 2.9 x 10^{7} m/s.
 c) 4.3 x 10^{7} m/s.
 d) 6.5 x 10^{7} m/s.
 e) 9.7 x 10^{7} m/s.
  a) how a nearsighted person might see a distant object
 + b) how a farsighted person might see an object that is too close for comfort
  c) how a nearsighted person might see an object that is too close for comfort
  d) how a farsighted person might see a distant object
7. An important principle that allows fiber optics to work is
 + a) total internal reflection
  b) total external refraction
  c) the invariance of the speed of light
  d) partial internal absorption
  e) the Doppler shift
8. What are examples of energy?
  a) momentum
 + b) all of the above
  c)
  d) heat
10. The same parallel plate capacitor, with area 0.75 m^{2}, plate separation 0.53mm, and an applied voltage of 3.55 kV. How much charge is stored?
 a) 29.25 μC.
 b) 33.63 μC.
 c) 38.68 μC.
 +d) 44.48 μC.
 e) 51.15 μC.
11. A 6.6 ohm resistor is connected in series to a pair of 6.4 ohm resistors that are in parallel. What is the net resistance?
 a) 6.4 ohms.
 b) 7.4 ohms.
 c) 8.5 ohms.
 +d) 9.8 ohms.
 e) 11.3 ohms.
12. In the essay "Why the sky is dark at night", a graph of velocity versus distance is shown. What is odd about those galaxies in the Virgo cluster (circled in the graph)?
  a) they are not receding away from us
 + b) they have a wide variety of speeds
  c) they all have nearly the same speed
  d) the cluster is close to us
13. What was Plank's understanding of the significance of his work on blackbody radiation?
  a) he knew it would someday win him a Nobel prize
  b) he eventually convinced his dissertation committee that the theory was correct
  c) he was afraid to publish it for fear of losing his reputation
 + d) the thought it was some sort of mathematical trick
14. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
  a) true
 + b) false
15. A cosmic ray alpha particle encounters Earth's magnetic field at right angles to a field of 11.4 μT. The kinetic energy is 307 keV. What is the radius of particle's orbit?
 a) 7 x 10^{1} m.
 b) 2.2 x 10^{2} m.
 c) 7 x 10^{2} m.
 d) 2.2 x 10^{3} m.
 +e) 7 x 10^{3} m.
16. What is the speed of a transverse wave on a string if the string is 1.05 m long, clamped at both ends, and harmonic number 5 has a frequency of 153 Hz?
 a) 5.3 x 10^{1} unit
 +b) 6.43 x 10^{1} unit
 c) 7.79 x 10^{1} unit
 d) 9.43 x 10^{1} unit
 e) 1.14 x 10^{2} unit
TrigPhysFE_151021v1s2[edit]
1. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?
 ___ a) 1400km/s
 ___ b) 700km/s
 ___ c) 350km/s
2. An object of height 0.64 cm is placed 112 cm behind a diverging lens with a focal length of 65 cm. What is the height of the image?
 ___a) 1.36 x 10^{1} cm
 ___b) 1.63 x 10^{1} cm
 ___c) 1.96 x 10^{1} cm
 ___d) 2.35 x 10^{1} cm
 ___e) 2.82 x 10^{1} cm
3. When light passes from glass to air
 ___ a) the frequency decreases
 ___ b) the frequency increases
 ___ c) it bends towards the normal
 ___ d) it does not bend
 ___ e) it bends away from the normal
4. If a source of sound is moving towards you, the pitch becomes
 ___ a) higher
 ___ b) unchanged
 ___ c) lower
5. A 0.8 Farad capacitor is charged with 1.7 Coulombs. What is the value of the electric field if the plates are 0.5 mm apart?
 ___a) 2.43 kV/m.
 ___b) 2.79 kV/m.
 ___c) 3.21 kV/m.
 ___d) 3.7 kV/m.
 ___e) 4.25 kV/m.
6. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
 ___ a) true
 ___ b) false
7. People don't usually perceive an echo when
 ___ a) it takes more than a tenth of a second after the original sound to arrive
 ___ b) it arrives at a higher pitch
 ___ c) it arrives at exactly the same pitch
 ___ d) it arrives less than a tenth of a second after the original sound
 ___ e) it arrives at a lower pitch
8. Blood is flowing at an average rate of 20.5 cm/s in an artery that has an inner diameter of 4.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.12 Tesla?
 ___a) 3.5 x 10^{5} Volts
 ___b) 1.11 x 10^{4} Volts
 ___c) 3.5 x 10^{4} Volts
 ___d) 1.11 x 10^{3} Volts
 ___e) 3.5 x 10^{3} Volts
9. What are examples of energy?
 ___ a) heat
 ___ b)
 ___ c) mgh where m is mass, g is gravity, and h is height
 ___ d) all of the above
10. A 6.3 ohm resistor is connected in series to a pair of 3.4 ohm resistors that are in parallel. What is the net resistance?
 ___a) 5.3 ohms.
 ___b) 6 ohms.
 ___c) 7 ohms.
 ___d) 8 ohms.
 ___e) 9.2 ohms.
11. When light passes from air to glass
 ___ a) the frequency decreases
 ___ b) it bends away from the normal
 ___ c) it bends towards the normal
 ___ d) the frequency increases
 ___ e) it does not bend
12. A proton is accellerated (at rest) from a plate held at 39.7 volts to a plate at zero volts. What is the final speed?
 ___a) 3.9 x 10^{4} m/s.
 ___b) 5.8 x 10^{4} m/s.
 ___c) 8.7 x 10^{4} m/s.
 ___d) 1.3 x 10^{5} m/s.
 ___e) 2 x 10^{5} m/s.
13. While standing 0.76 km from a cliff, you measure the echo time to be 4.339 seconds. What is the temperature?
 ___a) 2.83 x 10^{1}Celsius
 ___b) 3.26 x 10^{1}Celsius
 ___c) 3.77 x 10^{1}Celsius
 ___d) 4.35 x 10^{1}Celsius
 ___e) 5.03 x 10^{1}Celsius
14. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the x component of the electric field at (x,y) =( 5a, 5a) is βkQ/a^{2}, where β equals
 ___a) 6.46 x 10^{4} unit
 ___b) 7.82 x 10^{4} unit
 ___c) 9.48 x 10^{4} unit
 ___d) 1.15 x 10^{3} unit
 ___e) 1.39 x 10^{3} unit
15. How would you describe Old Quantum Theory
 ___ a) neither complete nor selfconsistent
 ___ b) selfconsistent but not complete
 ___ c) complete and selfconsistent
 ___ d) complete but not selfconsistent
Key to TrigPhysFE_151021v1s2[edit]
1. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?
 + a) 1400km/s
  b) 700km/s
  c) 350km/s
2. An object of height 0.64 cm is placed 112 cm behind a diverging lens with a focal length of 65 cm. What is the height of the image?
 a) 1.36 x 10^{1} cm
 b) 1.63 x 10^{1} cm
 c) 1.96 x 10^{1} cm
 +d) 2.35 x 10^{1} cm
 e) 2.82 x 10^{1} cm
3. When light passes from glass to air
  a) the frequency decreases
  b) the frequency increases
  c) it bends towards the normal
  d) it does not bend
 + e) it bends away from the normal
4. If a source of sound is moving towards you, the pitch becomes
 + a) higher
  b) unchanged
  c) lower
5. A 0.8 Farad capacitor is charged with 1.7 Coulombs. What is the value of the electric field if the plates are 0.5 mm apart?
 a) 2.43 kV/m.
 b) 2.79 kV/m.
 c) 3.21 kV/m.
 d) 3.7 kV/m.
 +e) 4.25 kV/m.
6. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
  a) true
 + b) false
7. People don't usually perceive an echo when
  a) it takes more than a tenth of a second after the original sound to arrive
  b) it arrives at a higher pitch
  c) it arrives at exactly the same pitch
 + d) it arrives less than a tenth of a second after the original sound
  e) it arrives at a lower pitch
8. Blood is flowing at an average rate of 20.5 cm/s in an artery that has an inner diameter of 4.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.12 Tesla?
 a) 3.5 x 10^{5} Volts
 +b) 1.11 x 10^{4} Volts
 c) 3.5 x 10^{4} Volts
 d) 1.11 x 10^{3} Volts
 e) 3.5 x 10^{3} Volts
9. What are examples of energy?
  a) heat
  b)
  c) mgh where m is mass, g is gravity, and h is height
 + d) all of the above
10. A 6.3 ohm resistor is connected in series to a pair of 3.4 ohm resistors that are in parallel. What is the net resistance?
 a) 5.3 ohms.
 b) 6 ohms.
 c) 7 ohms.
 +d) 8 ohms.
 e) 9.2 ohms.
11. When light passes from air to glass
  a) the frequency decreases
  b) it bends away from the normal
 + c) it bends towards the normal
  d) the frequency increases
  e) it does not bend
12. A proton is accellerated (at rest) from a plate held at 39.7 volts to a plate at zero volts. What is the final speed?
 a) 3.9 x 10^{4} m/s.
 b) 5.8 x 10^{4} m/s.
 +c) 8.7 x 10^{4} m/s.
 d) 1.3 x 10^{5} m/s.
 e) 2 x 10^{5} m/s.
13. While standing 0.76 km from a cliff, you measure the echo time to be 4.339 seconds. What is the temperature?
 a) 2.83 x 10^{1}Celsius
 +b) 3.26 x 10^{1}Celsius
 c) 3.77 x 10^{1}Celsius
 d) 4.35 x 10^{1}Celsius
 e) 5.03 x 10^{1}Celsius
14. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the x component of the electric field at (x,y) =( 5a, 5a) is βkQ/a^{2}, where β equals
 a) 6.46 x 10^{4} unit
 b) 7.82 x 10^{4} unit
 c) 9.48 x 10^{4} unit
 d) 1.15 x 10^{3} unit
 +e) 1.39 x 10^{3} unit
15. How would you describe Old Quantum Theory
 + a) neither complete nor selfconsistent
  b) selfconsistent but not complete
  c) complete and selfconsistent
  d) complete but not selfconsistent
TrigPhysFE_151021v2s2[edit]
1. People don't usually perceive an echo when
 ___ a) it takes more than a tenth of a second after the original sound to arrive
 ___ b) it arrives less than a tenth of a second after the original sound
 ___ c) it arrives at a lower pitch
 ___ d) it arrives at a higher pitch
 ___ e) it arrives at exactly the same pitch
2. A 1.3 Farad capacitor is charged with 1.9 Coulombs. What is the value of the electric field if the plates are 0.3 mm apart?
 ___a) 3.2 kV/m.
 ___b) 3.68 kV/m.
 ___c) 4.24 kV/m.
 ___d) 4.87 kV/m.
 ___e) 5.6 kV/m.
3. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?
 ___ a) 350km/s
 ___ b) 700km/s
 ___ c) 1400km/s
4. A proton is accellerated (at rest) from a plate held at 4.7 volts to a plate at zero volts. What is the final speed?
 ___a) 5.9 x 10^{3} m/s.
 ___b) 8.9 x 10^{3} m/s.
 ___c) 1.3 x 10^{4} m/s.
 ___d) 2 x 10^{4} m/s.
 ___e) 3 x 10^{4} m/s.
5. An object of height 0.67 cm is placed 107 cm behind a diverging lens with a focal length of 70 cm. What is the height of the image?
 ___a) 2.65 x 10^{1} cm
 ___b) 3.18 x 10^{1} cm
 ___c) 3.82 x 10^{1} cm
 ___d) 4.58 x 10^{1} cm
 ___e) 5.49 x 10^{1} cm
6. When light passes from glass to air
 ___ a) it does not bend
 ___ b) the frequency decreases
 ___ c) it bends towards the normal
 ___ d) it bends away from the normal
 ___ e) the frequency increases
8. How would you describe Old Quantum Theory
 ___ a) complete and selfconsistent
 ___ b) neither complete nor selfconsistent
 ___ c) complete but not selfconsistent
 ___ d) selfconsistent but not complete
9. A 6.3 ohm resistor is connected in series to a pair of 3.4 ohm resistors that are in parallel. What is the net resistance?
 ___a) 5.3 ohms.
 ___b) 6 ohms.
 ___c) 7 ohms.
 ___d) 8 ohms.
 ___e) 9.2 ohms.
10. Blood is flowing at an average rate of 21.5 cm/s in an artery that has an inner diameter of 3.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.11 Tesla?
 ___a) 8.28 x 10^{6} Volts
 ___b) 2.62 x 10^{5} Volts
 ___c) 8.28 x 10^{5} Volts
 ___d) 2.62 x 10^{4} Volts
 ___e) 8.28 x 10^{4} Volts
11. What are examples of energy?
 ___ a) heat
 ___ b)
 ___ c) mgh where m is mass, g is gravity, and h is height
 ___ d) all of the above
12. When light passes from air to glass
 ___ a) it does not bend
 ___ b) the frequency increases
 ___ c) it bends towards the normal
 ___ d) the frequency decreases
 ___ e) it bends away from the normal
13. If a source of sound is moving towards you, the pitch becomes
 ___ a) unchanged
 ___ b) higher
 ___ c) lower
14. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
 ___ a) true
 ___ b) false
15. While standing 0.62 km from a cliff, you measure the echo time to be 3.648 seconds. What is the temperature?
 ___a) 1.47 x 10^{1}Celsius
 ___b) 1.7 x 10^{1}Celsius
 ___c) 1.97 x 10^{1}Celsius
 ___d) 2.27 x 10^{1}Celsius
 ___e) 2.62 x 10^{1}Celsius
16. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the x component of the electric field at (x,y) =( 6a, 5a) is βkQ/a^{2}, where β equals
 ___a) 1.09 x 10^{3} unit
 ___b) 1.33 x 10^{3} unit
 ___c) 1.61 x 10^{3} unit
 ___d) 1.95 x 10^{3} unit
 ___e) 2.36 x 10^{3} unit
Key to TrigPhysFE_151021v2s2[edit]
1. People don't usually perceive an echo when
  a) it takes more than a tenth of a second after the original sound to arrive
 + b) it arrives less than a tenth of a second after the original sound
  c) it arrives at a lower pitch
  d) it arrives at a higher pitch
  e) it arrives at exactly the same pitch
2. A 1.3 Farad capacitor is charged with 1.9 Coulombs. What is the value of the electric field if the plates are 0.3 mm apart?
 a) 3.2 kV/m.
 b) 3.68 kV/m.
 c) 4.24 kV/m.
 +d) 4.87 kV/m.
 e) 5.6 kV/m.
3. If a galaxy that is 10 Mpc away is receding at 700km/s, how far would a galaxy be receding if it were 20 Mpc away?
  a) 350km/s
  b) 700km/s
 + c) 1400km/s
4. A proton is accellerated (at rest) from a plate held at 4.7 volts to a plate at zero volts. What is the final speed?
 a) 5.9 x 10^{3} m/s.
 b) 8.9 x 10^{3} m/s.
 c) 1.3 x 10^{4} m/s.
 d) 2 x 10^{4} m/s.
 +e) 3 x 10^{4} m/s.
5. An object of height 0.67 cm is placed 107 cm behind a diverging lens with a focal length of 70 cm. What is the height of the image?
 +a) 2.65 x 10^{1} cm
 b) 3.18 x 10^{1} cm
 c) 3.82 x 10^{1} cm
 d) 4.58 x 10^{1} cm
 e) 5.49 x 10^{1} cm
6. When light passes from glass to air
  a) it does not bend
  b) the frequency decreases
  c) it bends towards the normal
 + d) it bends away from the normal
  e) the frequency increases
8. How would you describe Old Quantum Theory
  a) complete and selfconsistent
 + b) neither complete nor selfconsistent
  c) complete but not selfconsistent
  d) selfconsistent but not complete
9. A 6.3 ohm resistor is connected in series to a pair of 3.4 ohm resistors that are in parallel. What is the net resistance?
 a) 5.3 ohms.
 b) 6 ohms.
 c) 7 ohms.
 +d) 8 ohms.
 e) 9.2 ohms.
10. Blood is flowing at an average rate of 21.5 cm/s in an artery that has an inner diameter of 3.5 mm. What is the voltage across a hall probe placed across the inner diameter of the artery if the perpendicular magnetic field is 0.11 Tesla?
 a) 8.28 x 10^{6} Volts
 b) 2.62 x 10^{5} Volts
 +c) 8.28 x 10^{5} Volts
 d) 2.62 x 10^{4} Volts
 e) 8.28 x 10^{4} Volts
11. What are examples of energy?
  a) heat
  b)
  c) mgh where m is mass, g is gravity, and h is height
 + d) all of the above
12. When light passes from air to glass
  a) it does not bend
  b) the frequency increases
 + c) it bends towards the normal
  d) the frequency decreases
  e) it bends away from the normal
13. If a source of sound is moving towards you, the pitch becomes
  a) unchanged
 + b) higher
  c) lower
14. After passing through a the lens of a camera or the eye, the focal point is defined as where the rays meet.
  a) true
 + b) false
15. While standing 0.62 km from a cliff, you measure the echo time to be 3.648 seconds. What is the temperature?
 +a) 1.47 x 10^{1}Celsius
 b) 1.7 x 10^{1}Celsius
 c) 1.97 x 10^{1}Celsius
 d) 2.27 x 10^{1}Celsius
 e) 2.62 x 10^{1}Celsius
16. A dipole at the origin consists of charge Q placed at x = 0.5a, and charge of Q placed at x = 0.5a. The absolute value of the x component of the electric field at (x,y) =( 6a, 5a) is βkQ/a^{2}, where β equals
 a) 1.09 x 10^{3} unit
 b) 1.33 x 10^{3} unit
 +c) 1.61 x 10^{3} unit
 d) 1.95 x 10^{3} unit
 e) 2.36 x 10^{3} unit
TrigPhysFE_151021v1s3[edit]
1. The focal point is where
 ___ a) the center of the lens
 ___ b) rays meet whenever they pass through a lens
 ___ c) rays meet if they were parallel to the optical axis before striking a lens
 ___ d) rays meet whenever they are forming an image
 ___ e) rays meet if they are parallel to each other
2. Approximately how often does a supernovae occur in a typical galaxy?
 ___ a) once every 50 years
 ___ b) once every 5 years
 ___ c) once a 5 months
3. An electron tube on Earth's surface is oriented horizontally towards magnetic north. The electron is traveling at 0.06c, and Earth's magnetic field makes an angle of 48.5 degrees with respect to the horizontal. To counter the magnetic force, a voltage is applied between two large parallel plates that are 59 mm apart. What must be the applied voltage if the magnetic field is 45μT?
 ___a) 1.1 x 10^{0} volts
 ___b) 3.6 x 10^{0} volts
 ___c) 1.1 x 10^{1} volts
 ___d) 3.6 x 10^{1} volts
 ___e) 1.1 x 10^{2} volts
4. What are examples of energy?
 ___ a) all of the above
 ___ b) heat
 ___ c) momentum
 ___ d)
6. The temperature is 2.4 degrees Celsius, and you are standing 0.94 km from a cliff. What is the echo time?
 ___a) 4.53 x 10^{0} seconds
 ___b) 4.892 x 10^{0} seconds
 ___c) 5.282 x 10^{0} seconds
 ___d) 5.703 x 10^{0} seconds
 ___e) 6.158 x 10^{0} seconds
7. A parallel plate capacitor has both plates with an area of 1.45 m^{2}. The separation between the plates is 0.93mm. Applied to the plates is a potential difference of 4.45 kV. What is the capacitance?
 ___a) 12 nF.
 ___b) 13.8 nF.
 ___c) 15.88 nF.
 ___d) 18.26 nF.
 ___e) 21 nF.
8. An ideal 5.9 volt battery is connected to a 0.059 ohm resistor. To measure the current an ammeter with a resistance of 24 is used. What current does the ammeter actually read?
 ___a) 71.1 A.
 ___b) 81.7 A.
 ___c) 94 A.
 ___d) 108.1 A.
 ___e) 124.3 A.
9. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?
 ___ a) the wavelength gets longer
 ___ b) the wavelength gets shorter
 ___ c) the wavelength stays the same
10. What angle does the electric field at the origin make with the xaxis if a 2.8 nC charge is placed at x = 8 m, and a 1.5 nC charge is placed at y = 8.7 m?
 ___a) 2.44 x 10^{1}degrees
 ___b) 2.81 x 10^{1}degrees
 ___c) 3.25 x 10^{1}degrees
 ___d) 3.75 x 10^{1}degrees
 ___e) 4.33 x 10^{1}degrees
 ___ a) how a nearsighted person might see a distant object
 ___ b) how a nearsighted person might see an object that is too close for comfort
 ___ c) how a farsighted person might see a distant object
 ___ d) how a farsighted person might see an object that is too close for comfort
12. An object is placed 10.2 cm to the left of a diverging lens with a focal length of 16.6 cm. On the side, at a distance of 5.6 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?
 ___a) 6.02 x 10^{1} cm
 ___b) 1.9 x 10^{0} cm
 ___c) 6.02 x 10^{0} cm
 ___d) 1.9 x 10^{1} cm
 ___e) 6.02 x 10^{1} cm
13. If this represents the eye looking at an object, where is this object?
 ___ a) directly in front of the eye (almost touching)
 ___ b) very far away
 ___ c) One focal length in front of the eye
 ___ d) Two (of the other answers) are true
 ___ e) at infinity
14. A proton is accellerated (at rest) from a plate held at 4.7 volts to a plate at zero volts. What is the final speed?
 ___a) 5.9 x 10^{3} m/s.
 ___b) 8.9 x 10^{3} m/s.
 ___c) 1.3 x 10^{4} m/s.
 ___d) 2 x 10^{4} m/s.
 ___e) 3 x 10^{4} m/s.
15. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?
 ___ a) low speed
 ___ b) confinement to a small space
 ___ c) high speed
 ___ d) low mass
Key to TrigPhysFE_151021v1s3[edit]
1. The focal point is where
  a) the center of the lens
  b) rays meet whenever they pass through a lens
 + c) rays meet if they were parallel to the optical axis before striking a lens
  d) rays meet whenever they are forming an image
  e) rays meet if they are parallel to each other
2. Approximately how often does a supernovae occur in a typical galaxy?
 + a) once every 50 years
  b) once every 5 years
  c) once a 5 months
3. An electron tube on Earth's surface is oriented horizontally towards magnetic north. The electron is traveling at 0.06c, and Earth's magnetic field makes an angle of 48.5 degrees with respect to the horizontal. To counter the magnetic force, a voltage is applied between two large parallel plates that are 59 mm apart. What must be the applied voltage if the magnetic field is 45μT?
 a) 1.1 x 10^{0} volts
 b) 3.6 x 10^{0} volts
 c) 1.1 x 10^{1} volts
 +d) 3.6 x 10^{1} volts
 e) 1.1 x 10^{2} volts
4. What are examples of energy?
 + a) all of the above
  b) heat
  c) momentum
  d)
6. The temperature is 2.4 degrees Celsius, and you are standing 0.94 km from a cliff. What is the echo time?
 a) 4.53 x 10^{0} seconds
 b) 4.892 x 10^{0} seconds
 c) 5.282 x 10^{0} seconds
 +d) 5.703 x 10^{0} seconds
 e) 6.158 x 10^{0} seconds
7. A parallel plate capacitor has both plates with an area of 1.45 m^{2}. The separation between the plates is 0.93mm. Applied to the plates is a potential difference of 4.45 kV. What is the capacitance?
 a) 12 nF.
 +b) 13.8 nF.
 c) 15.88 nF.
 d) 18.26 nF.
 e) 21 nF.
8. An ideal 5.9 volt battery is connected to a 0.059 ohm resistor. To measure the current an ammeter with a resistance of 24 is used. What current does the ammeter actually read?
 +a) 71.1 A.
 b) 81.7 A.
 c) 94 A.
 d) 108.1 A.
 e) 124.3 A.
9. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?
 + a) the wavelength gets longer
  b) the wavelength gets shorter
  c) the wavelength stays the same
10. What angle does the electric field at the origin make with the xaxis if a 2.8 nC charge is placed at x = 8 m, and a 1.5 nC charge is placed at y = 8.7 m?
 +a) 2.44 x 10^{1}degrees
 b) 2.81 x 10^{1}degrees
 c) 3.25 x 10^{1}degrees
 d) 3.75 x 10^{1}degrees
 e) 4.33 x 10^{1}degrees
  a) how a nearsighted person might see a distant object
  b) how a nearsighted person might see an object that is too close for comfort
  c) how a farsighted person might see a distant object
 + d) how a farsighted person might see an object that is too close for comfort
12. An object is placed 10.2 cm to the left of a diverging lens with a focal length of 16.6 cm. On the side, at a distance of 5.6 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?
 a) 6.02 x 10^{1} cm
 b) 1.9 x 10^{0} cm
 +c) 6.02 x 10^{0} cm
 d) 1.9 x 10^{1} cm
 e) 6.02 x 10^{1} cm
13. If this represents the eye looking at an object, where is this object?
  a) directly in front of the eye (almost touching)
  b) very far away
  c) One focal length in front of the eye
 + d) Two (of the other answers) are true
  e) at infinity
14. A proton is accellerated (at rest) from a plate held at 4.7 volts to a plate at zero volts. What is the final speed?
 a) 5.9 x 10^{3} m/s.
 b) 8.9 x 10^{3} m/s.
 c) 1.3 x 10^{4} m/s.
 d) 2 x 10^{4} m/s.
 +e) 3 x 10^{4} m/s.
15. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?
  a) low speed
  b) confinement to a small space
 + c) high speed
  d) low mass
TrigPhysFE_151021v2s3[edit]
2. Approximately how often does a supernovae occur in a typical galaxy?
 ___ a) once every 5 years
 ___ b) once every 50 years
 ___ c) once a 5 months
3. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?
 ___ a) low speed
 ___ b) high speed
 ___ c) low mass
 ___ d) confinement to a small space
4. An object is placed 13.2 cm to the left of a diverging lens with a focal length of 17.1 cm. On the side, at a distance of 5.1 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?
 ___a) 1.86 x 10^{1} cm
 ___b) 5.87 x 10^{1} cm
 ___c) 1.86 x 10^{0} cm
 ___d) 5.87 x 10^{0} cm
 ___e) 1.86 x 10^{1} cm
5. What angle does the electric field at the origin make with the xaxis if a 1.9 nC charge is placed at x = 5.4 m, and a 1.5 nC charge is placed at y = 7.1 m?
 ___a) 1.38 x 10^{1}degrees
 ___b) 1.59 x 10^{1}degrees
 ___c) 1.84 x 10^{1}degrees
 ___d) 2.13 x 10^{1}degrees
 ___e) 2.45 x 10^{1}degrees
6. An electron tube on Earth's surface is oriented horizontally towards magnetic north. The electron is traveling at 0.07c, and Earth's magnetic field makes an angle of 22.5 degrees with respect to the horizontal. To counter the magnetic force, a voltage is applied between two large parallel plates that are 54 mm apart. What must be the applied voltage if the magnetic field is 45μT?
 ___a) 2 x 10^{1} volts
 ___b) 6.2 x 10^{1} volts
 ___c) 2 x 10^{0} volts
 ___d) 6.2 x 10^{0} volts
 ___e) 2 x 10^{1} volts
7. What are examples of energy?
 ___ a) heat
 ___ b) all of the above
 ___ c)
 ___ d) momentum
8. A proton is accellerated (at rest) from a plate held at 39.7 volts to a plate at zero volts. What is the final speed?
 ___a) 3.9 x 10^{4} m/s.
 ___b) 5.8 x 10^{4} m/s.
 ___c) 8.7 x 10^{4} m/s.
 ___d) 1.3 x 10^{5} m/s.
 ___e) 2 x 10^{5} m/s.
 ___ a) how a farsighted person might see an object that is too close for comfort
 ___ b) how a farsighted person might see a distant object
 ___ c) how a nearsighted person might see an object that is too close for comfort
 ___ d) how a nearsighted person might see a distant object
10. A parallel plate capacitor has both plates with an area of 1.05 m^{2}. The separation between the plates is 0.63mm. Applied to the plates is a potential difference of 4.35 kV. What is the capacitance?
 ___a) 11.16 nF.
 ___b) 12.83 nF.
 ___c) 14.76 nF.
 ___d) 16.97 nF.
 ___e) 19.52 nF.
11. The temperature is 2.1 degrees Celsius, and you are standing 0.83 km from a cliff. What is the echo time?
 ___a) 5.033 x 10^{0} seconds
 ___b) 5.435 x 10^{0} seconds
 ___c) 5.868 x 10^{0} seconds
 ___d) 6.336 x 10^{0} seconds
 ___e) 6.842 x 10^{0} seconds
12. The focal point is where
 ___ a) rays meet whenever they are forming an image
 ___ b) the center of the lens
 ___ c) rays meet if they are parallel to each other
 ___ d) rays meet if they were parallel to the optical axis before striking a lens
 ___ e) rays meet whenever they pass through a lens
14. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?
 ___ a) the wavelength gets shorter
 ___ b) the wavelength gets longer
 ___ c) the wavelength stays the same
15. An ideal 6.4 volt battery is connected to a 0.071 ohm resistor. To measure the current an ammeter with a resistance of 21 is used. What current does the ammeter actually read?
 ___a) 60.5 A.
 ___b) 69.6 A.
 ___c) 80 A.
 ___d) 92 A.
 ___e) 105.8 A.
16. If this represents the eye looking at an object, where is this object?
 ___ a) at infinity
 ___ b) Two (of the other answers) are true
 ___ c) very far away
 ___ d) One focal length in front of the eye
 ___ e) directly in front of the eye (almost touching)
Key to TrigPhysFE_151021v2s3[edit]
2. Approximately how often does a supernovae occur in a typical galaxy?
  a) once every 5 years
 + b) once every 50 years
  c) once a 5 months
3. Excepting cases where where quantum jumps in energy are induced in another object (i.e., using only the uncertainty principle), which would NOT put a classical particle into the quantum regime?
  a) low speed
 + b) high speed
  c) low mass
  d) confinement to a small space
4. An object is placed 13.2 cm to the left of a diverging lens with a focal length of 17.1 cm. On the side, at a distance of 5.1 cm from the diverging lens is a converging lens with focal length equal to 4 cm. How far is the final image from the converging lens?
 a) 1.86 x 10^{1} cm
 b) 5.87 x 10^{1} cm
 c) 1.86 x 10^{0} cm
 +d) 5.87 x 10^{0} cm
 e) 1.86 x 10^{1} cm
5. What angle does the electric field at the origin make with the xaxis if a 1.9 nC charge is placed at x = 5.4 m, and a 1.5 nC charge is placed at y = 7.1 m?
 a) 1.38 x 10^{1}degrees
 b) 1.59 x 10^{1}degrees
 c) 1.84 x 10^{1}degrees
 d) 2.13 x 10^{1}degrees
 +e) 2.45 x 10^{1}degrees
6. An electron tube on Earth's surface is oriented horizontally towards magnetic north. The electron is traveling at 0.07c, and Earth's magnetic field makes an angle of 22.5 degrees with respect to the horizontal. To counter the magnetic force, a voltage is applied between two large parallel plates that are 54 mm apart. What must be the applied voltage if the magnetic field is 45μT?
 a) 2 x 10^{1} volts
 b) 6.2 x 10^{1} volts
 c) 2 x 10^{0} volts
 d) 6.2 x 10^{0} volts
 +e) 2 x 10^{1} volts
7. What are examples of energy?
  a) heat
 + b) all of the above
  c)
  d) momentum
8. A proton is accellerated (at rest) from a plate held at 39.7 volts to a plate at zero volts. What is the final speed?
 a) 3.9 x 10^{4} m/s.
 b) 5.8 x 10^{4} m/s.
 +c) 8.7 x 10^{4} m/s.
 d) 1.3 x 10^{5} m/s.
 e) 2 x 10^{5} m/s.
 + a) how a farsighted person might see an object that is too close for comfort
  b) how a farsighted person might see a distant object
  c) how a nearsighted person might see an object that is too close for comfort
  d) how a nearsighted person might see a distant object
10. A parallel plate capacitor has both plates with an area of 1.05 m^{2}. The separation between the plates is 0.63mm. Applied to the plates is a potential difference of 4.35 kV. What is the capacitance?
 a) 11.16 nF.
 b) 12.83 nF.
 +c) 14.76 nF.
 d) 16.97 nF.
 e) 19.52 nF.
11. The temperature is 2.1 degrees Celsius, and you are standing 0.83 km from a cliff. What is the echo time?
 +a) 5.033 x 10^{0} seconds
 b) 5.435 x 10^{0} seconds
 c) 5.868 x 10^{0} seconds
 d) 6.336 x 10^{0} seconds
 e) 6.842 x 10^{0} seconds
12. The focal point is where
  a) rays meet whenever they are forming an image
  b) the center of the lens
  c) rays meet if they are parallel to each other
 + d) rays meet if they were parallel to the optical axis before striking a lens
  e) rays meet whenever they pass through a lens
14. What happens to the wavelength on a wave on a stretched string if the wave passes from lightweight (low density) region of the rope to a heavy (high density) rope?
  a) the wavelength gets shorter
 + b) the wavelength gets longer
  c) the wavelength stays the same
15. An ideal 6.4 volt battery is connected to a 0.071 ohm resistor. To measure the current an ammeter with a resistance of 21 is used. What current does the ammeter actually read?
 a) 60.5 A.
 +b) 69.6 A.
 c) 80 A.
 d) 92 A.
 e) 105.8 A.
16. If this represents the eye looking at an object, where is this object?
  a) at infinity
 + b) Two (of the other answers) are true
  c) very far away
  d) One focal length in front of the eye
  e) directly in front of the eye (almost touching)
 Attribution (for quiz questions) under CCbySA license
 http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Quantum_mechanics_timeline/Quiz&oldid=1396075
 http://en.wikiversity.org/w/index.php?title=Why_is_the_Sky_Dark_at_Night/quiz&oldid=1396006
 http://en.wikiversity.org/w/index.php?title=Physics_equations/25Geometric_Optics/Q:thinLens&oldid=1378617
 http://en.wikiversity.org/w/index.php?title=Physics_equations/18Electric_charge_and_field/Q:findE&oldid=1378605
 http://en.wikiversity.org/w/index.php?title=Physics_equations/25Geometric_Optics/Q:vision&oldid=1378615
 http://en.wikiversity.org/wiki/How_things_work_college_course/Waves_(Physics_Classroom)
 http://en.wikiversity.org/w/index.php?title=Physics_equations/21Circuits,_Bioelectricity,_and_DC_Instruments/Q:circuits&oldid=1391123
 http://en.wikiversity.org/w/index.php?title=Physics_equations/22Magnetism/Q:forces&oldid=1391166

 Study guide
 http://en.wikiversity.org/w/index.php?title=How_things_work_college_course/Quantum_mechanics_timeline&oldid=1383060
 http://en.wikiversity.org/w/index.php?title=Why_is_the_Sky_Dark_at_Night&oldid=1248646
 http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
 http://en.wikiversity.org/wiki/Physics_equations/Sheet/All_chapters
http://en.wikiversity.org/wiki/Light_and_optics  http://www.physicsclassroom.com/class/waves