English, asked by rameennaveed2, 10 months ago

explain why a metal bar expands when it is heated?

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Answered by Anonymous

1

Answer:

It is due to thermal expansion of metals.

Thermal expansion- Thermal expansion is the tendency of matter to change its shape, area, and volume in response to a change in temperature.

Explanation:

I hope that it would be helpful.

Answered by parmardiwakar

0

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