

MCQOPTIONS
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1. |
A solid uniform metal bar is hanging vertically from its upper end. Its elongation will be _________ |
A. | Proportional to L and inversely proportional to D2 |
B. | Proportional to L2 and inversely proportional to D |
C. | Proportional of U but independent of D |
D. | Proportional of L but independent of D |
Answer» B. Proportional to L2 and inversely proportional to D | |