The sound of an explosion on the surface of a lakeis heard by a boat m

1.	The sound of an explosion on the surface of a lakeis heard by a boat man 100 m away and by a diver100 m below the point of explosion.(1) Who would hear the sound first boat man ordiver?(ii) Give a reason for your answer in part (i).(ii) If sound takes time t to reach the boat man, howmuch time approximately does it take to reach thediver?
Answer» Answer: 1) I THINK DIVER has heard it first because sound's microwave first hit WATER and reach till diver 2) t-2

The sound of an explosion on the surface of a lakeis heard by a boat man 100 m away and by a diver100 m below the point of explosion.(1) Who would hear the sound first boat man ordiver?(ii) Give a reason for your answer in part (i).(ii) If sound takes time t to reach the boat man, howmuch time approximately does it take to reach thediver?

Answer»

Answer:

1) I THINK DIVER has heard it first because sound's microwave first hit WATER and reach till diver

2) t-2

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