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When the electromagnetic radiations of f...

When the electromagnetic radiations of frequencies `4 xx 10^(15) Hz` and `6 xx 10^(15) Hz` fall on the same metal, in different experiments, the ratio of maximum kinetic energy of electrons liberated is `1 : 3`. The threshold frequency for the metal is

A

`2xx10^15` Hz

B

`1xx10^15` Hz

C

`3xx10^15` Hz

D

`1.67xx10^15` Hz

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AAKASH INSTITUTE-DUAL NATURE OF RADIATION AND MATTER -ASSIGNMENT SECTION A. Objective (Only one answer)
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