The virtual exchange of photons can produce
A) a repulsive force.
B) an attractive force.
C) either a repulsive or an attractive force.
D) neither a repulsive nor an attractive force.
Correct Answer:
Verified
Q45: A photon hits an electron,and an antiproton
Q46: "MeV/c2" is a unit for
A)energy.
B)mass.
C)momentum.
D)nuclear force.
Q47: If protons have a half-life of 1031
Q48: Which of these particles has the least
Q49: Calculate the range of the force that
Q51: According to present theories,there is a neutrino
Q52: Which of the following is not a
Q53: Which of these particles has the most
Q54: Which of the following is not conserved?
A)lepton
Q55: The pion (mπ = 140 MeV/c2)is thought
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