+2 votes
in JEE by kratos

The Kinetic Energy of the fastest photoelectron emitted using light of wavelength λ is E; While the K.E. of the fastest phtotoelectron using light of wavelength λ' is 2E. The photocathode is the same in both the cases. Then,

1 Answer

+6 votes
by kratos
 
Best answer

Correct option (D)

Explanation:

Use Einstein’* photoelectric equation

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