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KCET2014PhysicsSemiconductors

The maximum kinetic energy of the photo-electrons depends only on

Options

  1. Apotential
  2. Bfrequency
  3. Cincident angle
  4. Dpressure

Correct answer

B. frequency

Step-by-step solution

When light of suitable frequency falls on metal plate electrons are emitted. This effect is called photoelectric effect. The maximum kinetic energy of the photo electrons depends only on frequency of the incident light. The relation is given as [ K_ =h f=h f₀ ] where ( f₀ ) is threshold frequency; ( f ) is frequency of incident light.

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