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Question

Photo electric current can be increased by using
  1. Higher intensity radiation
  2. Higher work function metal plates
  3. Lower wave length radiation
  4. Higher frequency radiation

A
Higher intensity radiation
B
Lower wave length radiation
C
Higher frequency radiation
D
Higher work function metal plates
Solution
Verified by Toppr

Current in photo electric effect is dependent on the intensity of the incident rays. So, to increase photoelectric current we have to used higher intensity radiation.

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