A) A and 8 both have the same threshold frequency
B) Maximum kinetic energy for both metals depend linearly on frequency both A
C) Stopping potential are different for A and B for some change in frequency
D) B is better photosensiuve material than A
Correct Answer: B
Solution :
The graph between stopping potential and frequency is a straight line so maximum kinetic energy of photoelectrons depends linearly on frequency also threshold frequency and work function of material B s greater than material A. So, A is better photosensitive material than B.
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