Question

How can you prove that sound requires a medium to travel ??​

Answer 1

Answer:

bell jar experiment

Explanation:

aim:

to show that sound requires a medium to travel.

proceedure:

• take a jar and fix the bell inside it.
• insert a pump at the bottom to suck the air inside.
• Now press the bell's button.

observation:

• you will not be able to hear the sound of the bell though it rings as all the air is pumped and the jar's internal environment is made to be a vacuum.
• vacuum doesn't have matter. so it's not a medium

conclusion:

By this experiment you will be able to prove that sound requires a medium to travel.

HOPE IT HELPS.

Answer 2

Answer:

The sound of the bell will become fainter and after some time, the sound will not be heard. This is so because almost all air has been pumped out. This shows that sound needs a material medium to travel.

Explanation: