In the process of pair production, which of the following is a possible product pair?
A) electron-neutron
B) proton-neutron
C) electron-positron
D) proton-positron
E) electron-proton
C
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Which of the following statements is true of Kuiper Belt Objects?
A) They are associated with the Jovian planets. B) Most of them are composed of liquid helium. C) Some of them have moons of their own. D) They are found in regions surrounding Jupiter's orbit.
What is true of the lunar highlands?
A) They are less heavily cratered than the mare. B) They are the darker regions of the Moon seen with the naked eye. C) They are found on the Moon's northern hemisphere. D) They are younger than the darker mare. E) They are the oldest part of the lunar surface.
A simple pendulum has a period of 4.40 s. What is the pendulum length? (g = 9.80 m/s2)
a. 19.2 m b. 15.1 m c. 4.81 m d. 0.208 m e. 0.0520 m
An FM radio station broadcasts at 96.7 MHz. What is the wavelength associated with this broadcast?
A) 3.1 m B) 0.32 m C) 2.9 × 1014 m D) 2.9 × 1016 m E) not enough information given