Question

a ticking watch is placed in vacuum. can we hear its sound? why?​

Answer 1

Answer:

When a ringing alarm clock is placed in vacuum, we would not be able to hear it's ticking sound because sound cannot travel in vacuum. Vacuum doesn't have any particles in it for the sound to propagate.The particles vibrate due to the sound waves, helping us to hear sound.

Explanation:

When a ringing alarm clock is placed in vacuum, we would not be able to hear it's ticking sound because sound cannot travel in vacuum. Vacuum doesn't have any particles in it for the sound to propagate. The particles vibrate due to the sound waves, helping us to hear sound.

Answer 2

• The particles vibrate due to the sound waves, helping us to hear sound. Explanation: When a ringing alarm clock is placed in vacuum, we would not be able to hear it's ticking sound because sound cannot travel in vacuum.
• The particles vibrate due to the sound waves, helping us to hear sound.

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