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The sound of an explosion on the surface...

The sound of an explosion on the surface of a lake is heard by a boat man 100 m away and by a diver 100 m below the point of explosion.
(i) Who would hear the sound first: boatman or diver?
(ii) Give a reason for your answer in part (i).

Text Solution

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(i) The diver would hear the sound first.
(ii) This is because sound travels faster in water than in air.
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