The phenomenon of Photoelectric effect is used in

Electron microscope

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Photocell

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Sonar

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Optical fibres

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Solution

The correct option is B
Photocell

Photocell works on the principle of photoelectric effect.

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The phenomenon of Photoelectric effect is used in

The correct option is B Photocell Photocell works on the principle of photoelectric effect.

The correct option is B
Photocell

Photocell works on the principle of photoelectric effect.