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सी.आई.एस.सी.ई.आईसीएसई ICSE Class 7

What is Echo ? - Physics

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प्रश्न

What is echo ?

एक पंक्ति में उत्तर

उत्तर

Echo is the sound heard after reflection from a rigid surface such as a cliff, a hillside, the wall of a building etc.

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Absorption of Sound
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अध्याय 6: Sound - Short/Long Answer Questions

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सेलिना Concise Physics [English] Class 7 ICSE
अध्याय 6 Sound
Short/Long Answer Questions | Q 39
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