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Question

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What are the ill-effects of noise pollution? How can we control noise pollution?

Solution

Ill-effects of noise polution:

Noise effects has adverse effects on our body and health. It affects mental peace and health. Noise pollution is the root cause of many mental disorders like anxiety, depression etc. Apart from that physical disorders like hypertension, skin diseases, lack of sleep etc. Noise pollution affects sick people more.

Measures to control noise pollution are:

1. Honking unnecessarily should be avoided.
2. Playing loudspeakers at residential areas should be avoided.
3. Trees and plants should be extensively planted along the road sides to absorb sound and control noise pollution.

Some More Questions From Sound Chapter

State True or false:
Sound cannot travel in vacuum.

In the following statements, tick ‘T’ against those which are true, and ‘F’ against those which are false :

State True or False:

If the amplitude of vibration is large, sound is feeble.

For human ears, the audible range is 20 Hz to 20,000 Hz.

State True or False:

The lower the frequency of vibration, the higher is the pitch.

State True or False:

Unwanted or unpleasant sound is termed as music.

State True or False:

Noise pollution may cause partial hearing impairment.

Time taken by an object to complete one oscillation is called __________.

Loudness is determined by the __________ of vibration.

The unit of frequency is ________.

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