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प्रश्न
Explain why, the flash of a gun shot reaches us before the sound of the gun shot.
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उत्तर
Since light travels faster than sound, the flash of gunshot is seen first and the sound of gunshot is heard thereafter.
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संबंधित प्रश्न
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
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The propagating disturbance that travels in a medium is called a ______.
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Reason: If we increase the temperature of medium, the speed of sound increases in any medium.
Numerical problems:
Two persons are at opposite ends of a steel rod. One strikes the end of the rod with a stone. Find the ratio of time taken by the sound wave in the air and in steel to reach the second person. (Sound of speed in steel = 5960 ms-1, Sound of speed in air = 344 ms-1).
