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Question

Why is the solar cooker painted black from inside?


  1. none of these

  2. black colour absorbs more heat than other  coloured objects

  3. black colour reflects more heat than other  coloured objects

  4. black colour emits heat of its own


Solution

The correct option is B

black colour absorbs more heat than other  coloured objects


Black abosrobs heat which helps in trapping heat and maintaining the internal temperature.

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