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Two rods of lengths L1 and L2 are made o...

Two rods of lengths `L_1` and `L_2` are made of materials whose co-efficient of linear expansion are ` alpha _1` and `alpha_2`, If the difference between two lengths is independent of temperature , then

A

a)`(L_1//L_2) = alpha_1/alpha_2`

B

b)`(L_1/L_2)= alpha_2/alpha_1`

C

c)`L_1^2alpha_1=L_2^2alpha_2`

D

d)`alpha_1^2L_1 =alpha_2^2L_2`

Text Solution

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The correct Answer is:
B
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