Dual Nature Of Light Question 399
Question: A metal surface is illuminated by a light of given intensity and frequency to cause photoemission. If the intensity of illumination is reduced to one-fourth of its original value, then the maximum KE, of emitted photoelectrons will become
Options:
A) (1/16)th of original value
B) unchanged
C) twice the original value
D) four times the original value
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Maximum KE depends on the frequency of incident radiation, not on intensity.