Question

state the use of echo by a bat ,dolphin and fisherman

Answer 1

bat fly or hunt in dark by transmitting and sensing the reflections of ultrasonic sounds. .....the bat transmits ultrasound. ...and when the sound get reflected in the form of ECHO .....and the nature of reflection of ultrasound tells the bat about the obstacles or prey and where it is.....tq

Answer 2

Bats, Dolphin and fisherman 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 obstacles or prey,They here the echo. From the time taken to hear the echo and from the nature of the sound received, bats, Dolphin and fisherman are able to gauge the distance and type of surroundings.


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