Question

The stopping potential for the photoelectrons emitted from a metal surface of work function 1.7 eV is 10.4 V. Find the wavelength of the radiation in

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Updated on : 2022-09-05
Solution
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Correct option is A)

From the Einstein's photo electric equation, we get
Now, the transition between
we get
The energy level in hydrogen atom which will emit this wavelength is to

Solve any question of Atoms with:-
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