Sound and Noise:
Sound can be defined as “vibrations that travel through the air or another medium and can be heard when they reach a person’s ear are collectively known as sound. Sound and noise can be distinguished in most simple words like the sound when becoming a source of discomfort or inconvenience for persons are called noise. Sounds are mechanical waves of pressure that are transmitted through solid, liquid, gas, or plasma. The matter that supports the sound waves from the source to the receiver is known as medium, however, sound cannot travel through a vacuum.
What is noise pollution?
Noise is a type of sound but is usually refers to loud and unwanted sounds.
Definition: Any unpleasant, unwanted, disturbing, or excessive
sound that may disrupt the activity of human life is called noise, and such
pollution is called noise pollution.
Noise is mainly caused by machines,
transportation systems, trains, and air crafts.
Propagation of sound or Noise:
The noise transmits from the source to
the receiver through a medium like air, water, wood, or glass.
The transmission of noise depends upon the frequency and pitch of loudness. The frequency means the number of cycles completed in a second and pitch means loudness or amplitude.
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