Find the maximum magnitude of the linear momentum of a photoelectron emitted when light of wavelength 400 nm falls on a metal having work function 2.5

Question

Find the maximum magnitude of the linear momentum of a photoelectron emitted when light of wavelength 400 nm falls on a metal having work function 2.5

Find the maximum magnitude of the linear momentum of a photoelectron emitted when light of wavelength 400 nm falls on a metal having work function 2.5e V.

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - `(P^(2))/(2m)((1.24xx10^(4))/(4000)-2.5)eV=0.6eV`
`P=sqrt(2xx9.1xx10^(-31)xx0.6xx1.6xx10^(-19))`
`=4.2xx10^(-25)kg.m//s`

4 views Answered 2023-02-05 15:29