A radiation of energy E(E>E0) falls on a metal whose threshold frequency is E0. The Kinetic energy of the emitted electrons is given by:
A
E−Eo2
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B
E−Eo
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C
Eo−E
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D
EEo
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Solution
The correct option is BE−Eo If the energy of the incident light is greater than the threshold energy, the excess energy is imparted to the electron as kinetic energy.