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Two bars of different materials are of the same size and are subjected to same tensile forces. If the bars have unit elongations in the ratio of 4 : 7, then the ratio of moduli of elasticity of the two materials is | |
A. | 7:4 [Correct Answer] |
B. | 4:7 [Wrong Answer] |
C. | 4:17 [Wrong Answer] |
D. | 16 :49 [Wrong Answer] |