Two observers, A and B, move relative to each other. A claims B's clocks run slow. In this case, B will claim A's clocks
a. run fast c. are no good
b. run slow, too d. none of the above
[Ques. 2] If you are driving down a highway at 65 mph with your headlights on, the speed of the light emitted from your headlights as seen by a person standing on the side of the road is
a. c
b. c + 65 mph
c. slightly greater than c
d. none of the above
[Ques. 3] What is meant by neutrino oscillations?
a. oscillating movement of neutrinos
b. one neutrino type (e.g., muon neutrinos) changing into another (e.g., tau neutrinos)
c. random changes in mass of neutrinos
d. none of the above
[Ques. 4] All neutrinos are left handed.
Indicate whether the statement is true or false
[Ques. 5] Recent experiments suggest that the lifetime of the proton is over 1033 years, more than what is predicted by the simplest grand unified theories.
Indicate whether the statement is true or false
[Ques. 6] According to the standard model of elementary particle physics, there are six flavors of quarks, each of which comes in three colors.
Indicate whether the statement is true or false
[Ques. 7] The quark and antiquark in a meson are always of the same flavor.
Indicate whether the statement is true or false
[Ques. 8] The color force is carried by gluons but gluons do not have color charge themselves.
Indicate whether the statement is true or false
[Ques. 9] The color force between quarks is carried by mesons.
Indicate whether the statement is true or false
[Ques. 10] There are three flavors of quarks.
Indicate whether the statement is true or false
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