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प्रश्न
Fill in the blank with suitable word :
An echo is simply a ................... sound.
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उत्तर
An echo is simply a reflected sound.
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संबंधित प्रश्न
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.
Fill in the blank with suitable word :
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Why are the ceilings of concert halls made curved ? Draw a labelled diagram to illustrate your answer.
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Answer the following question in your own words.
What factors are important to get a distinct echo?
