Question

What is noise? Give two examples of sounds which are considered noise.

Answer 1

Answer:

Noise pollution

Explanation:

Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing .

from a physics standpoint , noise is indistinguishable from sound , as both are vibration through a medium,such as air or water.

ex. Gadgets like food mixer, grinder, vaccum cleaner, washing machine and dryer,cooler ,air conditioners are very noisy and injurious health. Other ex. Tv and loud speaker create noise pollution.

Answer 2

Noise

Explanation:

Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing. From a physics standpoint, noise is indistinguishable from sound, as both are vibrations through a medium, such as air or water. The difference arises when the brain receives and perceives a sound.

Example: Loud honking by automobiles on road; Noise from factories where looms or machinery is used.