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Transverse Waves :: Discussion
| 2. | The extension in a string, obeying Hooke’s law, is x. The speed of sound in the stretched string is v. If the extension in the spring is increased to 1.5x, the speed of sound will be? | |
| A. | 1.22v | |
| B. | 0.16v | |
| C. | 1.50v | |
| D. | 0.75v | |
| Answer: Option A | |
| Explanation: | |
|
According to Hooke’s law, |
|
| Tutorial Link: |
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