More amount of heat energy can be produced in a solar cooker by using:

A plane mirror

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A convex mirror

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A concave mirror

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A glass plate

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Solution

The correct option is C
A concave mirror

Solar cookers are covered with the glass plate and have mirrors to focus the rays of the sun and achieve a higher temperature. More amount of heat energy can be produced in a solar cooker by using a concave mirror.

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