Question

13 What is the difference between noise and music ? Can music become noise sometimes
15 Give two causes of noise pollution from the homes.
(b) What are the usual causes of the partial hearing loss suffered by a person?
and Answer Type Questions​

Answer 1

Answer:

13.Music is a sound that produces a pleasing sensation. Noise is an unwanted and unpleasant sound produced by horns of vehicles, by machines, etc. If a musical sound is made too loud, it becomes a noise.

The sound which is unpleasant for our ears is called noise. Music becomes noise sometimes when it crosses the bearable range of sound for our ears.

Explanation:

15.(a)Our environment is such that it has become difficult to escape the noise. Even electrical appliances at home have a constant hum or beeping sound. By and large, lack of urban planning increases the exposure to unwanted sounds.

(b)The most common causes of hearing loss are: Aging. Noise exposure. Head trauma