There is a circular hole in a metal plate, when the plate is heated, the radius of hole

Increases

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Decreases

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Unchanged

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Depends upon metal

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Solution

The correct option is A Increases
Each dimension of the plate increases as if it has been magnified uniformly from all sides. Consequently, the radius of the hole also increases.

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There is a circular hole in a metal plate, when the plate is heated, the radius of hole

The correct option is A IncreasesEach dimension of the plate increases as if it has been magnified uniformly from all sides. Consequently, the radius of the hole also increases.

The correct option is A Increases
Each dimension of the plate increases as if it has been magnified uniformly from all sides. Consequently, the radius of the hole also increases.