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A metal surface is exposed to solar radiations
The emitted electrons have energy less than a maximum value of energy depending upon the frequency of the incident radiation.
The emitted electrons have energy less than a maximum value of energy depending upon the intensity of the incident radiation.
The emitted electrons have zero energy
The emitted electrons have energy equal to the energy of photons of the incident light.
Answers (1)
As we have learnt in photoelectric effect,
Here, the expression represents the maximum possible Kinetic energy of the emitted photoelectron under ideal conditions i.e. assuming no losses.
This implies that, under real (non ideal) conditions, Kinetic energy of the electron will be lesser than the value of .
It is also to be noted that the intensity affects the number of Photoelectrons emitted but does not affect their energy.
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