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The kinetic energy of electrons ejected ...

The kinetic energy of electrons ejected by using light having frequency equal to threshold frequency `(v_(0))` is:

A

`hv_(0)`

B

Almost zero

C

Very large

D

`h//v_(0)`

Text Solution

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The correct Answer is:
B
`K.E. = h(v-v_(0))` when `v = v_(0) rarr K.E = 0`
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