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0 votes
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in Physics by (50.2k points)

Light of wavelength 5000 Å falls on a sensitive plate with photo electric work function of 1.9 eV. The kinetic energy of the photo electron emitted will be :

(A) 0.58 eV 

(B) 2.48 eV

(C) 1.24 eV 

(D) 0.58 eV1.16 eV

1 Answer

+1 vote
by (56.7k points)
selected by
 
Best answer

Correct Answer is: (A) 0.58 eV 

Energy of photon is given by

Einstein’s photoelectric equation is

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