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PhysicsModern PhysicsPhotoelectric effectMedium2 minPYQ_2003

PhysicsMediumsingle choice

A photoelectric cell is illuminated by a point source of light $1 m$ away. When the source is shifted to $2 m$ then:NEET 2003

Answer:

Solution:

For a point source $I \propto \frac{1}{r ^{2}}$

Stream:NEETSubject:PhysicsTopic:Modern PhysicsSubtopic:Photoelectric effect

⏱ 2mℹ️ Source: PYQ_2003

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