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If two road of lengths L and 2L hacing c...

If two road of lengths L and 2L hacing cofficient of linear expansion `alpha` and `2alpha` respectively are connected end-on-end, the average coefficient of linear expansion of the composite rod, equals

A

`(3)/(2) alpha`

B

`(5)/(2) alpha`

C

`(5)/(3) alpha`

D

`(3)/( 5) alpha`

Text Solution

Verified by Experts

The correct Answer is:
C
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