Question

An electric bell is placed inside a transparent glass jar. The bell can be turned on and off using a switch on the outside of the jar. A vacuum is created inside the jar by sucking out the air. Then the bell is rung using the switch. What will we see and hear?
A) We’ll see the bell move, but we won’t hear it ring.
B) We won’t see the bell move, but we’ll hear it ring.
C) We’ll see the bell move and hear it ring.
D) We won’t see the bell move or hear it ring.
E) We’ll see the sound waves exit the vacuum pump.

Answer 1

A) We'll see the bell move, but we won't hear it ring

Because, light can travel through vacuum and sound cannot travel through vacuum. Sound waves are vibrations of particles in any media. So Sound requires a medium to travel and cannot travel in vacuum as there are no atoms or molecules to vibrate

Answer 2

Answer:

A

Explanation: