A) Cut-off frequency decreases
B) Stopping potential decreases
C) Time delay for emission of photoelectron decreases
D) Saturation photocurrent increases
Correct Answer: D
Solution :
Intensity cannot change the cut-off frequency or stopping potential. High intensity means more number of photons, so chances of hitting to electron by them increases and hence more photoelectrons are emitted, i.e., photocurrent increases.
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