Which of the following statements is NOT true? (a) Sound wave travels in a straight line. (b) Sound is propagated as waves. (c) Sound can travel through vacuum. (d) Sound is a form of energy.

Answer: (c). Sound is a mechanical wave: it needs a material medium (solid, liquid or gas) to travel. In vacuum there are no particles to vibrate, so sound cannot travel there. Statements (a), (b), (d) are true. So the answer is (c) Sound can travel through vacuum.

Which of the following statements is NOT true? | MHT CET 2024 (11 May, Shift 2)

Q14MHT CET 2024 · 11 MAY · SHIFT 2Easy

Wave Basics & Properties of Sound

Which of the following statements is NOT true?

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Answer: (c)

Sound is a mechanical wave: it needs a material medium (solid, liquid or gas) to travel.
In vacuum there are no particles to vibrate, so sound cannot travel there.
Statements (a), (b), (d) are true.
So the answer is (c) Sound can travel through vacuum.

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