Two rods of different materials having coefficients of thermal expansions 
and Young's moduli 
respectively, are fixed between two rigid walls. The rods are heated such that they undergo the same increase in temperature. There is no bending of the rod, if 
the thermal stresses developed in the rod are equal provided 
equals.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
F 
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