Which of the following statements best explains why sound cannot travel in vacuum?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

1. (A) Sound needs light to travel and there is no light in vacuum.
2. (B) Sound waves in vacuum change their pitch to inaudible levels.
3. (C) Sound needs particles to transfer energy, but there are no particles in vacuum.
4. (D) Sound travels quickly in vacuum because there is no obstruction.

Verified Answer

Option (C): Sound needs particles to transfer energy, but there are no particles in vacuum.

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