Q.

Two bars of sifferent materials are of the same size and are subjected to same tensile forces. If the bars have unit elongation in the ratio of 7 : 3, then the ratio of modulii of elasticity of the two materials is

A. 8 ; 3
B. 3 ; 8
C. 64 ; 9
D. 9 ; 64
E. None of the above
Answer» A. 8 ; 3
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