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Increase in area per unit area at 0^(@)C...

Increase in area per unit area at `0^(@)C` per degree rise in temperature is ...

A

coefficient of linear expansion

B

coefficient of superfical expansion

C

coefficient of cubical expansion

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
As the superficial expansion is directly proportional to the original area of sheet and rise in tempearture.
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