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Q.

A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole?

  • AIncrease
  • BDecrease
  • CRemain constant
  • DWill increase first and then decrease
Correct Answer : (A)

Increase

Hints :

A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole Increase.

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