Physics
Answer
The applications of echo are —
- Dolphins detect their enemy and obstacle by emitting the ultrasonic waves and hearing their echo.
- In medical field, echo method of ultrasonic wave is used for imaging the human organs (such as liver, gall bladder, uterus, womb, etc.) This is called ultrasonography.
Related Questions
What is meant by an echo? State two conditions necessary for an echo to be heard distinctly.
A man is standing at a distance of 12 m from a cliff. Will he be able to hear a clear echo of his sound ? Give a reason for your answer.
Explain how the speed of sound can be determined by the method of echo?
State the use of echo by a bat, dolphin and fisherman.