Please give me solution for the question in the image
Preeti , 6 Years ago
Grade 11
Thermal Physics> Please give me solution for the question ...
1 Answers
Adarsh
Last Activity: 6 Years ago
let the new coeficient of linear expansion be k.α
let the temp is increased and change in temp. be T
sum of individual expansion of two rod = expansion of combined rod ..
lαT(1+4)=3.x.l.T.α => x= 5/3 so new coefficient of linear expansion is 5/3α.
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