Question

Light of frequency 4n₀ is incident on the metal of threshold frequency n₀. The maximum kinetic energy of the emitted photo electrons is

• A. 3 hn₀
• B. 2 hn₀
• C. $\frac{3}{2}$ hn₀
• D. $\frac{h\nu_{0}}{4}$

Answer 1

Answer: (A)

3 hn₀

Answer 2

K.E._max = 4hn₀ – hn₀

K.E._max = 3 hn₀