7th Class Science Heat Question Bank Heat

  • question_answer
    The base of a cooking vessel is usually black and dull. Why is it made this way?

    A) Black is a favorite color of most of the consumers.

    B) Dull surface prevent slipping of vessels.

    C) Black and dull surfaces are good absorbers of heat.

    D) Black and dull surfaces are good reflectors of heat.

    Correct Answer: C

    Solution :

    Black and dull surfaces are good absorbers of heat. Hence, cooking will be faster with minimum loss of heat.


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