Question

Two copper rods of equal lengths but
unequal diameters are heated
through the same range of
temperature. Then increase in length
will be
(A) Less for thicker rod
(B) Less for thinner rod
(C) Same for both rods
(D) Diameters become equal​

Answer 1

Explanation:

(C) Same for both rods

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Answer 2

Answer is c same for both rods