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| Q. |
Period of simple harmonic motion of a spiral spring or elastic thread is given by |
| A. | T = 2π × (extension produced/gravitational field strength |
| B. | T = 2π × (extension produced/√(gravitational field strength |
| C. | T = 2π × (√(extension produced)/gravitational field strength |
| D. | T = 2π × √(extension produced/gravitational field strength |
| Answer» D. T = 2π × √(extension produced/gravitational field strength | |
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