Question

A copper disc has a hole. If the disc is heated, the

Q: Answer-A copper disc has a hole. If the disc is heated, the size of the hole -

When a metal plate with a circular hole at its centre is heated, definitely along with the areal expansion of the plate the diameter sum of two radii of the circular hole also increases.

size of the hole -

A increases

B decreases

C No change

D first increases and than decreases

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A copper disc has a hole. If the disc is heated, the

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