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The wire of a sonometer has a length of 1 m and mass 5 × 10 – 4 kg. If has a tension of 20N. IF the wire is pulled at a point 25 cm away from one end and released, the frequency of its vibrations will be -

1. 200 Hz
2. 150 Hz
3. 250 Hz
4. 100 Hz

Correct answer: 200 Hz

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