Question

An electric bell is kept under a bell jar in which a vacuum has been created. Slowly air is introduced in to the jar. What will happen to the sound of the electric bell?Select one of the options below as your answer:. A. It will increase until it reaches its maximum.. B. It will decrease until it stops.. C. It will not change.. D. It will increase and decrease periodically. .E. It will decrease exponentially

Answer 1

The sound of the electric bell will increase until it reaches its maximum. The correct answer between all the choices given is the first choice or letter A. I am hoping that this answer has satisfied your query about and it will be able to help you, and if you’d like, feel free to ask another question.

Answer 2

A. Increase until it reaches it's maximum. Sound travels through air and as the amount of air in the jar increases, the loudness or amplitude of the bell increases until it reaches it's maximum at normal air pressure.