Charges/Interactions/Quiz

From Wikiversity
Jump to navigation Jump to search
The diagram shows beta-minus decay from a nucleus. Credit: Inductiveload.

Charge interaction is a lecture and an article about the application of laboratory and theoretical physics to astronomical phenomena that involve charge interactions.

You are free to take this quiz based on charge interaction at any time.

To improve your score, read and study the lecture, the links contained within, listed under See also, External links and in the {{charge ontology}} template. This should give you adequate background to get 100 %.

As a "learning by doing" resource, this quiz helps you to assess your knowledge and understanding of the information, and it is a quiz you may take over and over as a learning resource to improve your knowledge, understanding, test-taking skills, and your score.

A suggestion is to have the lecture available in a separate window.

To master the information and use only your memory while taking the quiz, try rewriting the information from more familiar points of view, or be creative with association.

Enjoy learning by doing!

Quiz[edit | edit source]

  

1 Yes or No, The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist is called ontology.

Yes
No

2 Spin-charge separation has which characteristics?

a chargon
a spinon
taking place inside solids
extremely tight confinement
neutron affinity
X-ray absorption

3 True or False, Charge exists in a positive and negative form.

TRUE
FALSE

4 Which of the following are characteristic of a β+ decay?

a mu neutrino
a positron emission
a decay product of a neutron
an electron neutrino
comes in mutable varieties
weak interaction

5 True or False, A calculation of energy is not possible unless a mass is involved.

TRUE
FALSE

6 Which of the following is not an electron volt?

a unit of energy
a quantity that denotes the ability to do work
1.2 PeV
the angular momentum of the planet Mercury around the Sun
a unit dimensioned in mass, distance, and time
a unit not based on the Coulomb

7 True or False, A chargon possesses the charge of an electron without a spin.

TRUE
FALSE

8 Complete the text:

Match up the item letter with each of the first astronomical source possibilities below:
Meteors - A
Cosmic rays - B
Neutrons - C
Protons - D
Electrons - E
Positrons - F
Gamma rays - G
Superluminals - H
cosmic rays

comets

.
galactic nuclei

.
electron-positron annihilation

.
weak force nuclear decay

.
AGNs

.
511 keV photon pair production

.
solar wind

.

9 Complete the text:

The

tracks in emulsion chambers have been used for

measurements of

nuclei above

in a series of balloon-borne experiments.

10 True or False, A unit vector is a direction with a magnitude of one.

TRUE
FALSE

11 Which of the following are involved in the weak force?

a core which emits neutrinos
Fermi's β-decay theory
26Al
undetectable with balloon-borne detectors
Gamow-Teller interactions
steady enough emission to be used as a standard for X-ray emission
observed with delta-rays in 1731
M. Fierz

12 True or False, The spin carried by quarks is not sufficient to account for the total spin of muons.

TRUE
FALSE

13 The strong force is involved in which of the following phenomena?

s-waves
the sum of the spins
neutrinos
Pauli's exclusion principle
deuterium
radio waves

14 True or False, When the magnetic poles of the Sun reverse during the solar cycle, there is a short time in which the polar diameter is greater than the equatorial diameter.

TRUE
FALSE

15 Which of the following are associated with electromagnetics?

angular momentum transfer
solar wind
protons
electrons
the baryon neutrino
charge neutralization

16 True or False, The generalized strong force theory combines the strong force with the nuclear force.

TRUE
FALSE

17 Complete the text:

A composite

spectrum is approximately a

law over at least the ≈ 5 decade wavenumber range 10-13 m-1 < wavenumber < 10-8 m-1 and that may extend to

wavenumbers.

18 True or False, The generalized weak force theory combines the Fermi and Gamow-Teller conditions into a unified theory.

TRUE
FALSE

19 Which of the following are associated with the big bang neutrinos?

a launch location
relic neutrinos
of order of the photon density
the thermal energy at which neutrinos decouple
neutrinos dynamically dominate baryons
a contracting universe

20 True or False, The force of gravity is the first astronomical source of the strong nuclear force.

TRUE
FALSE

21 The generalization to self-gravitating continua is outlined focused on the classification problem of singularities and metamorphoses arising in the

.

22 True or False, Like all elementary particles, the muon has a corresponding antiparticle of opposite spin but equal mass and charge (+1).

TRUE
FALSE

23 If energy is the impetus behind all motion and activity, which of the following are associated with power?

a launch location
a rate of change of the impetus with time
photon density
an acceleration of the impetus
neutrinos dynamically dominating baryons
a rate of change of mass

24 True or False, The radius of the proton is 4 percent smaller than previously estimated.

TRUE
FALSE

25

3D Vector.svg
For standard basis, or unit, vectors (i, j, k) and vector components of a (ax, ay, az), what are the right ascension, declination, and value of a?

if the x-axis is the longitude of the Greenwich meridian, and ax equals ay, then RA equals 6h
if the x-axis is the longitude of the Greenwich meridian, and ax equals ay, then RA equals 3h
the value of a is given by
if ax equals ay equals az, then the declination is -45°
if ax equals ay equals az, then the declination is +45°

26 Which of the following are associated with the envelope of the polarization current density?

emission of electromagnetic radiation from a superluminal charged particle
intensity of some components decays as the inverse of the distance from the source
non-spherically-decaying sources
emission contains very high frequencies not present in the synthesis of the source
non-spherically decaying components of the radiation do not violate energy conservation
strong electromagnetic fields are compensated by weak fields elsewhere

27 True or False, Muons inherit the high energy of the parent cosmic rays.

TRUE
FALSE

28 TeV muons from gamma-ray primaries are rare because?

only produced by higher energy gamma rays
suppressed gamma-ray flux
decreasing flux at the source
GeV gamma rays
absorption
interstellar light

29 True or False, An antimuon is a muon spinning backward in time.

TRUE
FALSE

30 Complete the text:

Charged-current charged pion production is a process in which a

interacts with an atomic

and produces a

, a charged

and recoiling nuclear fragments.

31 Complete the text:

Match up the interaction or force with the likely physical phenomenon
gravitation - A
electromagnetism - B
strong interaction - C
weak interaction - D
1

,
ε0

,
G -

,
W boson

.


Hypotheses[edit | edit source]

  1. An interaction of charges is a function of tangles and exponents of distance.

See also[edit | edit source]

External links[edit | edit source]

{{Physics resources}}{{Radiation astronomy resources}}