Multiple Choice
Which force is the most difficult to incorporate into a single unified theory of the fundamental forces?
A) the electromagnetic force
B) the weak force
C) the armed forces
D) centrifugal forces
E) the gravitational force
Correct Answer:

Verified
Correct Answer:
Verified
Q19: Let "m" represent the mass of an
Q20: The positron was first predicted by<br>A) Heisenberg.<br>B)
Q21: One similarity between photons and Z particles
Q22: Which of the following are quanta of
Q23: The basic idea of the "string" hypothesis
Q25: Why can we never create matter?<br>A) because
Q26: One currently- used practical application of antimatter
Q27: We never find isolated, individual quarks because<br>A)
Q28: The gravitational force is to gravitons as
Q29: According to quantum field theory, electrons<br>A) always