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  4. Assertion :Free electrons inside a metal are free to move out of the metal Reason: Free electrons inside conductor do not need additional energy to get out of the metal

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Q. Assertion :Free electrons inside a metal are free to move out of the metal
Reason: Free electrons inside conductor do not need additional energy to get out of the metal

Dual Nature of Radiation and Matter

Solution:

Free electrons in a metal are free to move inside the metal in a constant potential. They are not free to move out of the metal. They need additional energy to get out of the metal