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Sources of Energy (Class - X)
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Which of the following mirrors can be used to focus sunlight in a solar cooker?
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A
Concave
💡 Explanation:
Sunrays are focused at a point using concave reflectors. The solar radiations falling on the concave reflectors are focused at a point. Thus, large amount of heat radiations concentrated at a point increases the temperature of that point to a high value. Hence, option (1) is correct.