The photoelectric threshold wavelength of silver is
. The velocity of the electron ejected from a silver surface by ultraviolet light of wavelength
is (Given,
-s and
) [NEET 2017]
Text Solution
Verified by ExpertsThe correct answer is:
A

Given, 

Let velocity of ejected electron be v.
Now, applying Einstein's photoelectric equation, we have




Velocity of electron,



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