If λ ο and λ be the threshold wavelength and wavelength of incident light, the velocity of photoelectron ejected from the metal surface is :

Question

If λ ο and λ be the threshold wavelength and wavelength of incident light, the velocity of photoelectron ejected from the metal surface is :, 2 h c m λ ο - λ λ λ ο, 2 h c m λ ο - λ, 2 h m λ ο - λ, 2 h m 1 λ ο - 1 λ

MARKS App · Accepted Answer

Einstein photo Electric Equation hν - hν 0 = 1 2 mV max 2 h C λ - h C λ 0 = 1 2 mV max 2 2 hC m 1 λ - 1 λ 0 = V max 2 V max = 2 hC m λ 0 - λ λ λ 0

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