A particle with ____________ obeys the Pauli exclusion principle.
a. zero rest mass
b. very high energy
c. half integral spin
d. integral spin
e. charm
[Ques. 2] A particle with a half integer spin is a
a. boson
b. lepton
c. fermion
d. hadron
e. muon
[Ques. 3] A particle with an integer spin is a
a. boson
b. lepton
c. fermion
d. hadron
e. muon
[Ques. 4] A fundamental force in nature is the
a. strong interaction
b. weak interaction
c. electromagnetic interaction
d. gravitational interaction
e. all of the above
[Ques. 5] If a 1 kg mass is completely converted into energy, the amount of energy released would be
a. 0.333 J
b. 1 J
c. 3 108 J
d. 9 1016 J
e. none of the above
[Ques. 6] If a twin goes on a trip in a high speed rocket ship, when she returns home she will be younger than her twin sister who did not go on the trip because of
a. time dilation
b. length contraction
c. the equivalence of mass and energy
d. the principle of relativity
e. none of the above
[Ques. 7] From the point of view of a muon produced high in the atmosphere, the reason it can get to the ground before it decays is because
a. relativity gives it extra time to get there
b. of the uncertainty principle
c. it is a short distance to the ground
d. relativity shortens the distance to the ground
[Ques. 8] From the point of view of an observer on the earth, a muon produced high in the atmosphere can reach the ground before decaying because
a. relativity gives it extra time to get there
b. of the uncertainty principle
c. it is a short distance to the ground
d. relativity shortens the distance to the ground
[Ques. 9] Because of their short lifetimes, very few muons that are produced in the upper atmosphere at high speeds should be observed at the surface of the earth. Yet we detect large numbers of muons at ground level because of
a. time dilation
b. length contraction
c. the equivalence of mass and energy
d. the principle of relativity
e. none of the above
[Ques. 10] If you do an experiment on earth, and then do an identical experiment in a jet plane moving uniformly at a high speed, you get identical results from both experiments. This is an example of
a. time dilation
b. length contraction
c. the equivalence of mass and energy
d. the principle of relativity
e. none of the above
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