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By what temperature a rod should be heat...

By what temperature a rod should be heated so that its length becomes `2l_(0)` of its initial length `I_(0)`. Assume that `alpha` ( coefficient of linear expansion) in that range of temperature remains constant and melting point is very high.

A

`(2)/( alpha)`

B

`(1)/( alpha)`

C

`("In" 2)/( alpha)`

D

`("In"1)/( alpha)`

Text Solution

Verified by Experts

The correct Answer is:
C
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