NCERT solution for class 9//Science - Chapter 12 - Sound
NCERT Solution >Class 9 > Science NCERT solution for class 9//Science - Chapter 12 - Sound Chapter 12 -Sound Page number 162 Q1. How does the sound produced by A vibrating object in a medium reach your ear? Answer- When an object vibrate the particles of the medium around it vibrating object from its equilibrium position after displacing the adjacent particles to all over the medium it comes back in its original position this process continuous in a medium the sound reaches your ear Page number 163 Q2. Explain how sound is produced by your school bell? Answer - When the bell continuous to move forward and backward then it create the series of the compression and rarefaction and it produced sound Q3. Why are sound waves called mechanical waves ? Answer- Sound rays propagate only through the material medium so it is called mechanical waves Q4. Suppose you and your friend are on the moon will you be able to hear any s...