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Class 10 > Learn Class IX-X Tuition > Define echo?
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Define echo?

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Experienced Mathematics com ECE Educator

It is reflection of sound
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Communication Expert

like the light ( electromagnetic) waves reflects from plain surfaces, so do sound waves. The reflected sound waves travel slower than the light waves. The source of sound coming from close to the detector ( ears) is recognised earlier than the reflected sound bouncing off ( reflecting) from distant barriers,...
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like the light ( electromagnetic) waves reflects from plain surfaces, so do sound waves. The reflected sound waves travel slower than the light waves. The source of sound coming from close to the detector ( ears) is recognised earlier than the reflected sound bouncing off ( reflecting) from distant barriers, causing the ears to hear the same sound again. This phenomenon of hearing the reflected sound again is called an ECHO. read less
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labhome

reflection of a sound
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Maths & Science Teacher

The phenomenon where sound waves start from the source and upon encountering an opaque object travel back to the source is called an echo
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Professional Tutor

reflection of sound from obstacles
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Software employee

When sound travels in a given medium, it strikes the surface of another medium and bounces back in some other direction, this phenomenon is called the reflection of sound.
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