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11th Class Physics Thermal Properties of Matter / द्रव्य के तापीय गुण Question Bank Thermal Properties of Matter Conceptual Problems

  • question_answer
    How does the diameter of the opening in the cast iron plate of a kitchen stove change, when the stove is heated?

    Answer:

                    The opening in the stove is circular. But its diameter undergoes linear expansion on heating. The increase in diameter is given by: \[\Delta D=\alpha D\Delta T.\]


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