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| Q. |
Which of the following statement is incorrect? |
| A. | stress is directly proportional to strain within elastic limit |
| B. | the stress is force per unit area. |
| C. | hooke's law holds good up to the breaking point |
| D. | the ratio of linear stress to linear strain is called young's modulus. |
| Answer» C. hooke's law holds good up to the breaking point | |
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