Question

what is the difference between noise and sound​

Answer 1

Sound is what we hear. Noise is unwanted sound. ... Sound is produced by vibrating objects and reaches the listener's ears as waves in the air or other media.

Answer 2

Noise :

1. Unpleasant to hear
2. No regular periodic motion
3. Unit is Decibel (dB)

Sound :

1. Pleasant to hear
2. Regular periodic motion
3. Unit is Hertz (Hz)

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