A photocell is illuminated by a small bright source placed 1 m away. When the same source of light is placed 1/2 m away, the number of electrons emitted by photo-cathode would

Dual Nature of Matter and Radiation: JEE Main 2005 Physics question

JEE Main 2005 · Annual, Paper 1 · Q6616

JEE Main 2005Annual, Paper 1PhysicsEasyDual Nature of Matter and Radiation146× since 2002

A photocell is illuminated by a small bright source placed

1

m

away. When the same source of light is placed

{1 \over 2}

m

away, the number of electrons emitted by photo-cathode would

JEE Main 2005 · Annual, Paper 1 · Q6616

JEE Main 2005Annual, Paper 1PhysicsEasyDual Nature of Matter and Radiation146× since 2002

A photocell is illuminated by a small bright source placed

1

m

away. When the same source of light is placed

{1 \over 2}

m

away, the number of electrons emitted by photo-cathode would