What is the phase velocity (ω/k)?

The speed of individual peaks and valleys within a wave packet

Schwarzschild solution to Einstein's field equations

What is the equivalence principle in G.R.?

The effects of gravity are indistinguishable from being accelerated

Milikan experiment to determine charge of electron

Generalized Balmer's spectroscopy formula

What's a hydrogen-like atom?

An atom with exactly one electron

time-independent Schrödinger equation

I'm going 50 mph. You're going 55 mph. Our relative speed is 5 mph. This is an example of...

Newtonian (or Galilean) relativity

Which is not an assumption of the Bohr model?

Neutrons hold the nucleus together

the solution to the ultraviolet catastrophe

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Modern Physics review session (WCU)

63 termsStudBud Administration61 plays

A review for Dr. Rave's PHY 310 class.

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Questions 63

Answers

1
What is the name of WCU's mascot?
Sir Purr
Mittens
Paws
Bagheera
2
What's this?
Rutherford's model
Bohr model
de Broglie hypothesis
plum pudding model
3
mc² gives...
kinetic energy
rest energy
total energy
potential energy
4
What's this?
Brehme diagram
Loedel diagram
Galilean boost
Minkowski diagram
5
What is the phase velocity (ω/k)?
The speed of the complex portion of a wave
The speed of a whole wave packet
The speed of individual peaks and valleys within a wave packet
The Laplace transform of the geometric phase
6
With complex waves, how might you perform ∂/∂t ?
multiply by -iω
divide by ik
perform a Laplace transform
do a Legendre transformation
7
1 g / N_A = ?
c
1 u
1 kg
1/137
8
If s² = 0, the spacetime separation is...
spacelike
Mike and Ike
lightlike
timelike
9
What's this?
Davisson-Germer experiment
Moseley's x-ray experiment
Rutherford model
Heisenberg uncertainty
10
What's this?
Gaussian polynomial
Fermat's theorem
binomial expansion
Euler's approximation
11
What did this experiment show?
matter has a wavelength
photons have momentum
light is quantized
electrons have mass
12
If s² < 0, the spacetime separation is...
a matrix
timelike
spacelike
lightlike
13
What is ΔxΔk ≥ 1/2?
classical uncertainty
Heisenberg uncertainty
triangle inequality
Bragg condition
14
To convert classical momentum p = mv to relativistic form, just...
multiply by γ
subtract γ
add γ
divide by γ
15
What was discovered here?
the neutron
a black hole
gravitational waves
the big bang
16
Which one is kinetic energy?
mc2
(1/2) k Δx2
(γ-1)mc2
γmc2
17
2d sin θ = nλ is called the...
Bragg condition
De Broglie wavelength
Balmer formula
Rydberg formula
18
Whose experiment supported the De Broglie's hypothesis?
Millikan
Rutherford
Davisson-Germer
Faraday
19
What's this?
The Dirac equation
Schwarzschild solution to Einstein's field equations
The Kerr metric
A timelike error
20
What's this?
Spectroscopy
Band theory
Dark Side of the Moon
Fluorescence
21
What is the equivalence principle in G.R.?
All atoms have the same De Broglie wavelegth
Time stops inside a black hole
The effects of gravity are indistinguishable from being accelerated
The speed of light is invariant
22
What's the fine structure constant's value?
4π
∫ ψ*ψ dx = 1
ρ/ε0
≈ 1/137
23
Δt'=γτ is called...
time dilation
invariant interval
Lorentz boost
length contraction
24
What's this?
Faraday's experiment
Milikan experiment to determine charge of electron
Rutherford experiment that discovered nucleus
Thomson experiment to determine e/m
25
hc = ?
1.6 x 10-19 C
96,500 C
3 x 108 m/s
1240 eV nm
26
What Cherokee character is this?
qui
wi
tsi
ha
27
What did Rydberg do?
Solved the ultraviolet catatrophe
Generalized Balmer's spectroscopy formula
Discovered the photoelectric effect
Determined e/m
28
What's this?
De Broglie wavelength
Bragg scattering
Photoelectric effect
Davisson Germer experiment
29
What's a hydrogen-like atom?
Any atom with Z = 2 to 10
An atom with zero neutrons
An atom smaller than the Bohr radius
An atom with exactly one electron
30
One Heisenberg relation relates Δx and Δp. The other relates...
Δt and ΔE
Δx and Δy and Δz
Δk and Δx
Δω and Δp
31
How much bigger is an atom than a nucleus (in terms of length)?
x 10,000
x 100
a factor of 4π
x 1,000,000
32
Who came up with the law of multiple proportions?
Mendelev
Dalton
Millikan
Faraday
33
This helped confirm...
G.R.
S.R.
Q.M.
stat mech
34
What's this?
free Schrödinger equation
time-independent Schrödinger equation
Schrödinger equation
Dirac equation
35
With complex waves, how might you perform ∂/∂x ?
multiply by ik
use Sterling's approximation
multiply by iω
do the Fourier transform
36
What would you call ω = ω(k) for a wave?
hyperbolic tangent
Laplace transform
dispersion relation
uncertainty condition
37
What is ∂ω/∂k ?
phase velocity
group velocity
Fourier transform
wave number
38
What's this?
photoelectric effect
ultraviolet catastrophe
Wien's law
Stefan-Boltzmann law
39
What's this?
wave packet
probability amplitude
soliton
wave
40
What is P = (x,y,z,ct) ?
An event
A clock reading
An invariant interval
A location
41
What's this?
Plum pudding model
Democritus's model
Rutherford model
Bohr model
42
I'm going 50 mph. You're going 55 mph. Our relative speed is 5 mph. This is an example of...
Newtonian (or Galilean) relativity
Lorentz boost
Special relativity
General relativity
43
Which is not an assumption of the Bohr model?
Electrons only go in circular orbits due to attraction of nucleus
If an electron changes state, energy is emitted (or absorbed) as a photon
Neutrons hold the nucleus together
Atoms have nuclei, and are orbited by electrons, as in the Rutherford model
44
The "free" Schrödinger equation differs from the full Schrödinger equation by...
not having any potential V
not being periodic
being inherently real
not having any time dependence
45
Which number is associated with this experiment?
-13.6 eV
3 x 108 m/s
96,500 C
1.6 x 10-19 C
46
What's this?
The ultraviolet catastrophe
Stefan-Boltzmann Law
Bohr model
Photoelectric effect
47
What are the units of γ in S.R.?
m/s
it is dimensionless
eV
J ⋅ s
48
What's this?
de Broglie's hypothesis
Seward's folly
the solution to the ultraviolet catastrophe
solution to the photoelectric effect
49
What's this?
Spiral galaxy
Time dilation
Three-body problem
Gravitational lensing
50
What's this?
translation/rotation
spacetime rotation
Galilean boost/Lorentz boost
Lorentz boost/Galilean boost
51
Which is not evidence for the existence of atoms?
Maxwell's equations
The fact that statistical mechanics works
Law of multiple proportions
Crystal structure
52
Who proposed the idea of atoms?
Εὐκλείδης (Euclid)
محمد بن موسى الخوارزمي
Δημόκριτος (Democritus)
Ἀριστοτέλης (Aristotle)
53
What's this?
Rutherford model
Balmer series
Bragg scattering
De Broglie hypothesis
54
If s² > 0, the spacetime separation is...
timelike
lightlike
spacelike
void
55
Boltzmann was known for...
Ultraviolet catastrophe
Statistical mechanics
Brownian motion
Photoelectric effect
56
∫_-∞^∞ ψ*ψ dx = 1
Normalization condition
The calm before the storm
Uncertainty
Bayesian statistics
57
Two events are simultaneous in your frame. You then know...
the proper time between the events
that s2 = 0
the proper speed between the frames
the proper length between the events
58
s² = ?
Δx2 + Δy2 + Δz2
c
Δx + Δy + Δz - cΔt
Δx2 + Δy2 + Δz2 - c2Δt2
59
What is a wave?
Anything with a Fourier decomposition
Something periodic in space and time
A sine or cosine with a real amplitude
A periodic function of exactly one variable
60
What is given by E = -13.6/n² eV?
Ground state Bohr levels
Energy levels of any hydrogen-like atom
Balmer series levels
Energy levels of hydrogen atom
61
What's this?
Faraday finds that charge is quantized
Thomson determines e/m
Rutherford discovers the nucleus
Millikan determines e
62
What's this?
twin paradox
Galilean boost
pole vaulter paradox
Brehme diagram
63
This weird result led to discovery of...
Neutrons
The Law of Multiple Proportions
Atoms
Nuclei

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