Which of the following statements is/are true? I) Sound is a form of energy II) Sound stops when vibration of an object stops III) Sound is a transverse wave IV) Sound travels better in a heavy gas than in a light gas

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I, II and IV

Which of the following statements is/are true? I) Sound is a form of energy II) Sound stops when vibration of an object stops III) Sound is a transverse wave IV) Sound travels better in a heavy gas than in a light gas

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