Basic Maths and Units and DimensionsHard
Question
Two rods of lengths L1 and L2 are made of materials whose coefficients of linear expansion are α1 and α2. If the difference between the two lengths is independent of temperature :
Options
A.(L1/L2) = (α1/α2)
B.(L1/L2) = (α2/α1)
C.L12α1 = L22α2
D.α12L1 = α22L2
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