Physics-
General
Easy
Question
Light of two different frequencies whose photons have energies 
and 
respectively, successively illuminates a metal of work function 
. The ratio of maximum kinetic energy of the emitted electron will be
- 1 : 5
- 1 : 4
- 1 : 2
- 1 : 1
The correct answer is: 1 : 4
By using
Hence, 
and 
.
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