If the frequency of a light beam is doubled,what happens to the momentum of the photons in that beam of light?
A)It stays the same.
B)It is halved.
C)It is doubled.
D)It is reduced to one-fourth of its original value.
E)It is increased to four times its original value.

Question

Quizplus · Accepted Answer

According to the equation p = hf/c, where p is momentum, h is Planck's constant, f is frequency, and c is the speed of light, we can see that as frequency (f) doubles, momentum (p) also doubles. Therefore, the correct answer is C.

If the Frequency of a Light Beam Is Doubled,what Happens