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A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys. - Physics

One Line Answer

A person fires a gun and other boy at a distance hears the sound of the fire 2.5 s after seeing the flash. If the speed of sound in air is 330 ms-1, find the distance between the boys.

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Solution

Distance between boys = speed of sound x time taken to reach sound
= 330 x 2.5 = 825m

Concept: Sound
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 7 Sound
Production and Propagation of Sound | Q 20 | Page 278
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