Questions 601–610 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 61 of 65

Question 16

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The Compton wavelength of a proton is ______ fm. (up to two decimal places). (

kg,

J s,

C,

ms

)

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Question 17

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Which one of the following conservation laws is violated in the decay

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Question 18

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Electromagnetic interactions are:
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Question 19

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A one dimensional simple harmonic oscillator with Hamiltonian

is subjected to a small perturbation,

. The first order correction to the ground state energy is dependent on
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Question 20

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For the Hamiltonian

where

,

is a real vector,

is the

identity matrix, and

are the Pauli matrices, the ground state energy is
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Question 21

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The coefficient of

in the Fourier expansion of

for

is
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Question 22

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The degeneracy of the third energy level of a 3-dimensional isotropic quantum harmonic oscillator is
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Question 23

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The electronic ground state energy of the Hydrogen atom is

eV. The highest possible electronic energy eigenstate has an energy equal to
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Question 24

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A reversible Carnot engine is operated between temperatures

and

(

) with a photon gas as the working substance. The efficiency of the engine is
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Question 25

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In the nuclear reaction

, the particle

is
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