MCQOPTIONS
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MCQOPTIONS
| 1. |
A wire of length L and cross-sectional area A is made of material of Young's modulus Y. If the wire is stretched by the amount x, then the work done is |
| A. | \(\frac{{YA{x^2}}}{{2L}}\) |
| B. | \(\frac{{YA{x^2}}}{L}\) |
| C. | \(\frac{{YAx}}{{2L}}\) |
| D. | \(YA{x^2}L\) |
| Answer» B. \(\frac{{YA{x^2}}}{L}\) | |