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State two applications of echo. - Physics

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Question

State two applications of echo.

Answer in Brief

Solution

The applications of echo:

  1. Dolphins detect their enemies and obstacles by emitting ultrasonic waves and hearing their echo.
  2. In medical science, the echo method of ultrasonic waves is used for imaging human organs such as the liver, gall bladder, etc. This is called ultrasonography.
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Determination of Speed of Sound by the Method of Echo
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Chapter 7: Sound - Exercise 7 (A) 1 [Page 154]

APPEARS IN

Selina Physics [English] Class 10 ICSE
Chapter 7 Sound
Exercise 7 (A) 1 | Q 9 | Page 154
ICSE Physics [English] Class 10
Chapter 6 Echoes and Vibrations of Sound
Short Answers | Q 34
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