If the frequency of incident light falling on a photosensitive material is doubled, then the kinetic energy of the emitted photoelectron will be
A. the same as its initial value
B. two times its initial value
C. more than two times its initial value
D. less than two times its initial value.
Answer:C
If the frequency of incident light falling on a photosensitive material is doubled, then the kinetic energy of the emitted photoelectron will be
A. the same as its initial value B. two times its initial value C. more than two times its initial value D. less than two times its initial value.