Question

Practice Question 11
11.1 What is a vacuum? Why sound cannot travel across a vacuum?​

Answer 1

Answer:

Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate

Answer 2

$\tt\red{༒\:Hello\:Mate\:༒}$

Sound waves are travelling vibrations of particles in media such as air, water or metal. So it stands to reason that they cannot travel through empty space, where there are no atoms or molecules to vibrate.♥