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प्रश्न
What kind of mirror – concave, convex or plain – would be best suited for use in a solar cooker? Why?
उत्तर १
A concave mirror is used in a solar cooker as it uses heat of the sunlight to cook food. The mirror focuses all the incident sunlight at a point. The temperature at that point increases, thereby cooking and heating the food placed at that point.
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उत्तर २
A concave mirror is best suited for use in a solar cooker because it converges a large amount of the sun's heat rays at its focus, because of which a high temperature is produced in the focus area.
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