Question

From the graph it is clear that

I. the stopping potential varies linearly with the frequency of incident radiation for the given metal.
II. the work function of metal A is greater than that for metal B.
HI. the stopping potential is zero below the minimum cut off frequency.
IV the stopping potential is independent of the intensity of incident radiation.

• A. I and III only
• B. I, III and IV
• C. II and IV only
• D. I, II and IV

Answer 1

Answer: (B)

Correct answer is (b) I, III and IV