a sonar transmits an ultrasonic signal towards the bottom of the sea . the time taken by the sound to reach back to the the receiver was 2.4sec. if speed of ultrasonic sound is 1560 m/s . find a depth of a sea.
ans1- 3744m
2.1872m
3.2700m
4.1574m
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Answer:
On sending an ultrasonic wave form a ship towards the bottom of a sea, the time interval between sending the wave and receiving it back is found to be 1.5 s.
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Answer:
Speed= 1560m/s
Time= 2.4sec
Distance=?
Time taken by sonar waves to reach the surface of ocean = 2.4/2 = 1.2sec
So, S=D/T
1560m/s = D/1.2
= 1872m
So, after calculating we found that the depth of the sea is 1872m
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