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Infrared Rays

In photocell ...

Question

In photocell cesium, coated oxidized silver cathode emits electrons for

A

visible light.

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B

ultraviolet.

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C

infrared light.

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D

x-rays.

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Solution

The correct option is C infrared light.
In photocell cesium, coated oxidised silver cathode emits electrons for infrared light.

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