Question

Explain with the help of practical examples how sound is propagated through solids.

Answer 1

Sound is a form of energy which gives us sensation of hearing.

Sound requires medium for propagation like solids, liquids and gases.

Some activities which proves that sound can travel through solids :

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1. Let us press our ear on to one side of a wooden bench and ask a friend to tap the other end of bench. We will hear the Sound of tapping through wooden bench. This means sound can travel through wood which is solid.

2 Let us take a meter scale made up of metal hold one end close to your ear and ask your friend to scratch other end. We can hear a loud sound.

3. We can also make a toy telephone as shown in the attachment which proves that sound can travel through solids.
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Answer 2

in solids 1 particle vibrated to ans fro along its mean posution. It gives vibrations to the adjacent particle.  this vibrated and passes on vibration to the next one. this process goes on. and this is how sound propogates.