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प्रश्न
Name any two objects which are good reflectors of sound.
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उत्तर
Metal sheet and hardwood are good reflectors of sound as they nearly reflect almost all the sound energy falling on it.
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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.
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The echo of a sound is heard after 5 seconds. If the speed of sound in air be 342 m/s, calculate the distance of the reflecting surface.
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Answer the following question in your own words.
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Answer the following question in your own words.
What should be the dimensions and the shape of classrooms so that no echo can be produced there?
