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A copper rod and steel rod having length...

A copper rod and steel rod having length `L_(c)` and `L_(s)` respectively at certain temperature. It is observed that difference between their length remains constant at all temperature. If `alpha_(c)` and `alpha_(s)` ar their respective coefficient of linear expansions. Then, ratio of `L_(s)/L_(c)` is `

A

`(alpha_c)/(alpha_s)`

B

`(alpha_s)/(alpha_c)`

C

`(1+(alpha_s)/(alpha_c))`

D

`(1+(alpha_c)/(alpha_s))`

Text Solution

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The correct Answer is:
A
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