Question

3. During an activity, a ringing bell is kept inside a bell jar. Then the air is removed from the bell jar. The sound of the ringing bell gradually becomes inaudible. Why? The bell stops vibrating. B) The medium is absent. a) Sound travels slower in air: D) Bell jar absorbs the sound​

Answer 1

Explanation:

we can't hear because there is absent in the medium to travel

Answer 2

Answer:

(b) the medium is absent