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7th Class Science Heat Question Bank Heat

  • question_answer
    What must be done to enable mercury in a glass thermometer to respond quickly to changes in temperature?

    A)  The bore should be narrow.

    B)  The wall of stem should be thin.

    C)  The bulb should contain a lot of mercury.

    D)  The wall of glass bulb should be thin.

    Correct Answer: D

    Solution :

    Heat can be conducted quickly if the wall of glass bulb is thin in a mercury thermometer.


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