Q17 of 269 Page 140

What kind of mirror, concave, convex or plane, would be best suitable for use in a solar cooker? why?

A concave mirror would be best suited for use in a solar cooker. When a concave mirror reflector is attached to a solar cooker, it converges a large amount of Sun's heat radiations at its focus due to which a high temperature is produced at the focus area.


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Name that part of a box-type solar cooker which allows the sun’s rays to enter the box but does not allow inside heat to go out.

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