Question

How is sound produced and is transmitted and heard by us ?
An alarm bell is kept inside sa vessel . A person standing close it can distincly hear the sound of alarm. now if the air inside the vessel is removed completely. how will the loudnessof alarm get affected for same person?​

Answer 1

Answer:

A person standing close to it can distinctly hear the sound of alarm. Now if the air inside the vessel is removed completely how will the loudness of alarm get affected for the same person? Answer: ... The sound cannot travel through vacuum and we cannot hear the sound of the alarm clock at all

Answer 2

As the sound wave strikes the eardrum, it vibrates and the vibration reaches the inner ear which sends signals to the brain. The brain interprets the signals and we hear the sound.

A person standing close to it can distinctly hear the sound of alarm. Now if the air inside the vessel is removed completely how will the loudness of alarm get affected for the same person? Answer: ... The sound cannot travel through vacuum and we cannot hear the sound of the alarm clock at all.