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Sound

Question

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What is the difference between noise and music? Can music become noise sometimes?

Solution

Excessive or unwanted sounds are called noise. Noise is unpleasant to hear.
E.g., Sound produced by a bunch of students speaking together in the classroom.

The sounds which are pleasing to the ears are called music. It gives a soothing effect rather than creating a chaos in mind.
E.g., Sound produced by a harmonium sound.

Music becomes a noise when it crosses the bearable range of sound for ears.

Some More Questions From Sound Chapter

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 ________.

Unwanted sound is called _________.

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

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