Q4 of 16 Page 22

Think :

What measures would you take to minimize the sound disturbance caused to others?

Steps to minimize the sound disturbance are:

● Unnecessary honking by the vehicles should be banned.


● Loudspeakers can play music at low volume.


● After 10 pm, loud sounds by speakers should be banned.


● Regularly checking noise level in industrial complex and indoor to keep noise level within limit.


More from this chapter

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3

Answer the following:

List two applications of reflection of sound.

 3

Answer the following:

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

 3

Answer the following:

Represent a wave graphically. Show in the diagram, the wavelength and amplitude.

 4

Think :

Why is sound both a boon and a bane?