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प्रश्न
Why will an echo not be heard when the distance between the source of the sound and the reflecting surface is 10 m?
एक पंक्ति में उत्तर
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उत्तर
The echo will not be heard because the minimum distance between the source and the reflecting surface should be 17 m.
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संबंधित प्रश्न
Define amplitude term in relation to a wave.
Define frequency term in relation to a wave.
What is the condition necessary for an echo to be heard distinctly?
Name the principle on which a soundboard works.
Distinguish between mechanical and electromagnetic waves.
What are the conditions necessary for the formation of echo?
What are mechanical waves?
Write the approximate value of the speed of sound in air.
Write the approximate value of the speed of sound in water.
What is meant by an echo? Explain.
