Q)
(chatquestion)...Two rods of length L, and L, are made of materials of coefficients of linear expansions
and
L,a,. The temperature of the rods is increased by AT and correspondingly the
respectively such that L,a,
change in their respective lengths be AL, and AL,
(A) AL, # AL2
(C) Difference in length (L, -L,) is a constant and is independent of rise of temperature
(B) AL, = AL,
%3D
D) Data is insufficient to arrive at a conclusion
...
