Mention the purpose of blackening the interior of a solar cooker?
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Answer:
Solar cookers are blackened from inside because black absorbs more heat from sun as compared to other colours. EXPLANATION: When more heat is absorbed by the blackened interiors, the food is cooked faster as more heat is absorbed inside the cooker.
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The inside of a solar cooker is painted black, so that the heat radiation coming into it are absorbed and not reflected back. This helps in rapid increase of temperature inside the solar cooker.
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