Question

In a photoelectric experiment, frequency $f = 1$.$5f_0$ ($f_o$: threshold frequency). If the frequency of light is changed to $\frac{f}{2}$, then photocurrent becomes (intensity of light has doubled)

• A. Zero
• B. Doubled
• C. Same
• D. Thrice

Answer 1

Answer: (A)

Zero

Answer 2

The Correct Option is (A) : Zero