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Sound

Question

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How can noise pollution be controlled?

Solution

Noise pollution can be controlled by controlling those things which causes it. Some of the steps for controlling noise pollution are:

1. Blowing of honks unnecessarily should be avoided.
2. Using loudspeakers like T.V, radio should be avoided in residential areas.
3. Trees should be planted along the roadside to create a buffer zone which will absorb excessibe sounds on the roads.

Some More Questions From Sound Chapter

Choose the correct answer : Sound can travel through

Voice of which of the following is likely to have minimum frequency:

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 __________.

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