Q. 3 F4.2( 21 Votes )

Answer the following:

Describe an activity to show that sound requires a material medium for its propagation.

Answer :

Activity: To show that sound requires a material medium for its propagation

Materials Required: A glass jar fitted with cork and a hole at bottom, electrical connection, electronic bell, vacuum pump


● Make a hole in the cork and make the connections to the electric bell with a switch.

● Make sure the bell is inside the jar and close the jar with the cork.

● At the bottom connect the jar with vacuum pump.

● Now switch on the electric bell. The sound of the bell will come out.

● Now switch on the vacuum pump which will suck the air inside the jar.

● It is observed that the sound of the bell fades gradually and ultimately the sound will not come.

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Quiz | Microscopic World45 mins
The Best Christmas Present in the World31 mins
Champ Quiz | Spelling of important words47 mins
NCERT | Important Questions of Polymers32 mins
Metals of Surprises38 mins
Quiz on Mystery of Onion30 mins
Out-of-the-box Concepts of Metals and Non-metals28 mins
Champ Quiz | Revolt of 185749 mins
Benefits of Physical Activity36 mins
Foundation | Principle of Counting45 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses