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State the Use of Echo by a Bat, Dolphin and Fisherman. - Physics

Short Note
State the use of echo by a bat, dolphin and fisherman.
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Solution

Bats, dolphins and fishermen use the principle of echo for locating obstacles and prey.
They produce and sent ultrasonic waves in all directions. When these waves are reflected back from the obstacles or prey, they hear the echo. From the time taken to hear the echo and from the nature of the sound received, bats, dolphins and fishermen are able to gauge the distance and type of surroundings.

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APPEARS IN

Frank ICSE Class 10 Physics Part 2
Chapter 3 Sound
Exercise 3.1 | Q 30 | Page 136
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