Question

Why is it that a bell in a sealed bell jar can be heard when the jar is full of air?

Answer 1

Answer:

its true

Explanation:

becoz the jar is containing air awhich creates more vibration then the empty one so due to the air the sounds starts going on example if u stand on a hill and shout ur name u will hear it manier times as the sound keeps on going on its speed

Answer 2

Answer: Its right

Explanation: It can be heard because of the air containing particles which vibrate to create a sound wave.