Question

Light of wavelength  , incident on the surface of a metal produces photoelectrons with maximum energy 5.3 eV. Now, when the light of wavelength  is used, the maximum energy of photoelectrons is 8.7 eV. The work function of the metallic surface is : 

A

6.8 eV

B

1.5 eV

C

13.6 eV

D

3.5 eV

Medium
Solution
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Correct option is B)

As we know,
. From the given data is (for ) or (for

OR

Solve any question of Dual Nature of Radiation And Matter with:-
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