Physics, asked by ganeshsaig892, 4 months ago

a copper sphere has a spherical cavity as it's centre if the sphere is heated what happens to the spherical cavity​

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Answered by gayathridevimj
1

Answer: Due to the coefficient of volume expansion, if the ball is heated then it will expand at free surface, so the ball will expand at outer and inner both surface. Hence, the volume of cavity which is inside the ball decreases.

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