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The time by a photoelectron to come out after the photon strikes is approximately

The time by a photoelectron to come out after the photon strikes is approximately

Options

(a) 10⁻¹ s
(b) 10⁻⁴ s
(c) 10⁻¹⁰ s
(d) 10⁻¹⁶s

Correct Answer:

10⁻¹⁰ s

Explanation:

Emission of photo-electron starts from the surface after incidence of photons in about 10⁻¹⁰ sec.

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