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MHT CET202013 Oct 2020Evening ShiftPhysicsDual Nature of MatterActual

When the work function of a metal increases, maximum kinetic energy of emitted photoelectrons

Options

  1. Afirst decreases and then increases.
  2. Bincreases.
  3. Cremains same.
  4. Ddecreases.

Correct answer

D. decreases.

Step-by-step solution

(K.E.) _ =h v-w₀ Hence if w₀ increase (K.E.) _ Decreases

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