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If L(1) and L(2) are the lengths of two ...

If `L_(1)` and `L_(2)` are the lengths of two rods of coefficients of linear expansion `alpha_(1)` and `alpha_(2)` respectively the condition for the difference in lengths to be constant at all temperatures is

A

`L_(1)alpha_(1) = L_(2)alpha_(2)`

B

`L_(1)alpha_(2) = L_(2)alpha_(1)`

C

`L_(1)alpha_(1) = L_(2)alpha_(2)`

D

`L_(1)alpha_(2) = L_(2)alpha_(1) `

Text Solution

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The correct Answer is:
A
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