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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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