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

1.	A copper disc has a hole. If the disc is heated, the size of the hole
Answer» Increases 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.

Answer»

Increases

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.

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

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