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The time interval between a lighting flash and the first sound of thunder was found to be 6 s. If the speed of sound in air is 330 ms-1, find the distance of the flash from the observer. - Physics

One Line Answer

The time interval between a lighting flash and the first sound of thunder was found to be 6 s. If the speed of sound in air is 330 ms-1, find the distance of the flash from the observer.

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Solution

The distance of the flash from the observer = speed in air x time taken for the first sound to reach
330 x 6 = 1980m

Concept: Comparison of Sound with Speed of Light
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 7 Sound
Production and Propagation of Sound | Q 19 | Page 278
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