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The diameter of a metal ring is D and th...

The diameter of a metal ring is `D` and the coefficient of linear expansion is `alpha`. If the temperature of the ring is increased by `1^(0)C`, the circumference and the area of the ring will increases by

A

`piDalpha, 2piDalpha`

B

`2piDalpha, piD^(2)alpha`

C

`piDalpha, (piDalpha)/2`

D

`piDalpha, (piD^(2)alpha)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

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