Choose the correct answer

When a metallic surface is illuminated with radiation of wavelength , the stopping potential is V. If the same surface is illuminated with radiation of wavelength 2 , the stopping potential is V 4 . The threshold wavelength for the metallic surface is (NEET 2016)

- a) 4

- b) 5

- c) 5 2

- d) 3

Correct Answer:

d) 3

0

Answered on 29/10/2020 at 12:44PM by Thamizh