Questions
Two rods of different materials will have same different in lengths at all temperatures if they have same expansions then , given
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Correct option is B
given ∆l1=∆l2 (difference in lengths is same) ⇒l1α1∆t=l2α2∆t ( given at all temperature) ⇒l1α1=l2α2Similar Questions
The coefficient of linear expansion of brass and steel are and . If we take a brass rod of length and steel rod of length at 0oC, their difference in length will remain the same at all temperatures if
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