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प्रश्न
Long answer type question.
Distinguish between Young’s modulus, bulk modulus, and modulus of rigidity.
फरक स्पष्ट करा
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उत्तर
| Young’s modulus |
Bulk modulus | Modulus of rigidity | |
| 1. | It is the ratio of longitudinal stress to longitudinal strain. | It is the ratio of volume stress to volume strain. | It is the ratio of shearing stress to shearing strain. |
| 2. | It is given by, Y = `"MgL"/(pi"r"^2l)` |
It is given by, K = `"VdP"/"dV"` |
It is given by, `eta = "F"/("A"theta)` |
| 3. | It exists in solids. | It exists in solid, liquid and gases. | It exists in solids. |
| 4. | It relates to change in the length of a body. | It relates to the change in volume of a body. | It relates to change in shape of a body. |
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