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प्रश्न
A tuning fork produces sound of ................... frequency.
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उत्तर
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संबंधित प्रश्न
A person is standing at the seashore. An observer on the ship which is anchored in between a vertical cliff and the person on the shore fires a gun. The person on the shore hears two sounds, 2 seconds and 3 seconds after seeing the smoke of the fired gun. If the speed of sound in the air is 320 ms-1 then calculate:
1) the distance between the observer on the ship and the person on the shore.
2) the distance between the cliff and the observer on the ship.
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Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
