CBSE Class 8 - Sound: How Is It Produced? Videos
Sound
Types of sound waves, their propagation & transmission; Identify factors that affect speed of sound.
- sound produced by humans-voice box
- How sound is produce
- what is production of sound
- what is mean by propagation of sound
- When the electric bell collides with its gong due to electromagnetic force why it doesn't stick to it?instead it moves away and strikes again ?Why doesn't it stick to it due to the electromagnetic force and if the power supplied is low and due to that electromagnetic force is low that time.Why it is attracted to gong of bell and collides to it.
- what is larynx
- how the human being can produce the sound
- larynx
- Describe the physical nature of a sound producing body.
- what is the full form of sound
