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