Navigate

When a metallic surface is illuminated with radiation of wavelength λ,

When a metallic surface is illuminated with radiation of wavelength λ, the stopping potential is V. If the same surface is illuminating with radiation of wavelength 2λ, the stopping potential is V/4. The threshold wavelength for the metallic surface is

Options

(a) 5λ
(b) 5/2 λ
(c) 3λ
(d) 4λ

Correct Answer:

3λ

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

NEET2016
admin:

Related Questions

  1. A luminous object is seperated from a screen by distance d. A convex lens
  2. When three identical bulbs of 60 W-200 V rating are connected in series to a 200 V
  3. If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd orbit, it emits
  4. Assertion(A) :The change in kinetic energy of a particle is equal to the work done
  5. A transformer having efficiency of 90% is working on 200 V and 3kW power supply