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He sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why? - Physics

One Line Answer

he sound of an explosion on the surface of a lake is heard by a boatman 120 m away and by a diver 120 m below the point of explosion. Out of the two persons, who would hear the sound first? Why?

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Solution

The diver will hear the sound first because the sound travels faster in water than in air.

Concept: Sound
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APPEARS IN

Frank Class 9 Physics ICSE
Chapter 7 Sound
Production and Propagation of Sound | Q 16 | Page 278
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