How many medium-sized moons does Saturn have?
A) Too many to count
B) 18
C) 9
D) 6
E) 1
D
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Which of the following is not believed to be composed of quarks?
A) alpha particle B) beta particle C) proton D) neutron E) pion
As a spaceship nears an event horizon, a clock on the spaceship will be observed
A) to run faster. B) to run the same as one on Earth. C) to stop. D) to run backwards. E) to run slowly.
The binding energy per nucleon of a nucleus
A) increases steadily as we go to heavier elements. B) is approximately constant throughout the periodic table, except for very light nuclei. C) has a maximum near iron in the periodic table and decreases after that for heavier elements. D) decreases steadily as we go to heavier elements. E) has a minimum near iron in the periodic table and increases after that for heavier elements.
The angle of incidence
A) must equal the angle of reflection. B) is always less than the angle of reflection. C) is always greater than the angle of reflection. D) may be less than or equal to the angle of reflection. E) may be greater than or equal to the angle of reflection.