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Sound

Question

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List sources of noise pollution in your surroundings.

Solution

The sources of noise pollution in our surroundings are:

1. Honking of horns,
2. Loud sounds of machines in factories,
3. Loud musics in parties and marriages,
4. Loud sound of T.V. or radio,
5. Loud sounds of domestic electronic appliances like mixer grinder etc.

Some More Questions From Sound Chapter

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 ________.

Unwanted sound is called _________.

Shrillness of a sound is determined by the _________ of vibration.

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