The maximum velocity of the photoelectrons emitted from the surface is v when light of frequency n falls on a metal surface. If the incident frequency is increased to 3n, the maximum velocity of the ejected photoelectrons will be :
Option 1)
less than |
Option 2)
|
Option 3)
more than |
Option 4)
equal to |
As we learnt in
Conservation of energy -
- wherein
......(1)
(From equation (1))
Option 1)
less than V
This is an incorrect option.
Option 2)
This is an incorrect option.
Option 3)
more than V
This is the correct option.
Option 4)
equal to V
This is an incorrect option.
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