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Coefficient of linear expansion of brass...

Coefficient of linear expansion of brass and steel rods are `alpha_(1)andalpha_(2)`. Lengths of brass and steel rods are `l_(1)andl_(2)` respectively. If `(l_(2)-l_(1))` is maintained same at all temperatures, which one of the following relations holds good ?

A

`alpha_(1)l_(2)=alpha_(2)l_(1)`

B

`alpha_(1)l_(2)^(2)=alpha_(2)l_(1)^(2)`

C

`alpha_(1)l_(2)=alpha_(2)l_(1)`

D

`alpha_(1)l_(1)=alpha_(2)l_(2)`

Text Solution

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The correct Answer is:
D
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