Question

A metal has work function $w_0$ = 3.3×10-19 J. What should be the minimum frequency of the incident radiation that can remove an electron from the metal surface? [Given h = 6.6x10-34 J-s]

• A. 5×1010 Hz
• B. 5×1012 Hz
• C. 5×1014 Hz
• D. 5×1015 Hz

Answer 1

Answer: (C)

5×1014 Hz

Answer 2

The correct option is (C)