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The maximum velocity of an electron emit...

The maximum velocity of an electron emitted by light of wavelength `lambda` incident on the surface of a metal of work function `phi`, is
Where h = Planck's constant , m = mass of electron and c = speed of light.

Text Solution

Verified by Experts

`"hc"/lambda=phi+1/2mv^2`
`v=[(2(hc-lambdaphi))/(mlambda)]^(1//2)`
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