When light falls on certain materials, electrons are released.These electrons are called :

Extra electrons

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Valency electrons

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Free electrons

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Photoelectrons

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Solution

The correct option is D Photoelectrons
Photoelectrons
When light falls on certain materials, the outer most electron gets escaped and these electrons are called photoelectrons.

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Electrons are emitted from metal surface when light falls on it . Is this statement true or false ?

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