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प्रश्न
Write the answer in your own words.
What is meant by noise pollution?
उत्तर १
The disturbance produced in the environment due to an undesirable loud and harsh sound of level above 120 dB from the various sources such as loudspeakers, moving vehicles, etc. is called noise pollution.
उत्तर २
Noise pollution is the excess of unwanted sound in the environment. It can adversely affect human and other living beings health.
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संबंधित प्रश्न
Suggest measures to avoid noise pollution in classroom.
Explain in what way noise pollution is harmful to humans.
What is the safe limit of sound level in dB for our ears?
Write any three ways by which noise pollution affects the human body adversely. List any three steps that should be followed in order to reduce noise pollution.
List two major harmful effects of the following:
Prolonged noise such as the one produced by crackers.
Look at a cartoonist's presentation of a kind of pollution given below.
 |
- Name the kind of pollution.
- List the sources of pollution.
- Mention any two harmful effects of this pollution.
Explain the Term: Decibel
Explain the Term: Ammonification
Complete the table.
| Nature of sound | Unpleasant | Pleasant |
| Speaking | ||
| Whispering | ||
| Aeroplane sounds | ||
| Horns of Vehicles | ||
| Railway Engine | ||
| Rustling of leaves | ||
| Neighing of a horse | ||
| Ticking of a clock |
Write a short note on noise pollution.
What are the hazards of noise pollution?
Among the following which one is not polluted by noise pollution?
Lcrud noise or even loud music can damage our eyes.
Boojho saw a cracker burst at night at a distance from his house. He heard the sound of the cracker a little later after seeing the cracker burst. Give reason for the delay in hearing the sound.
People routinely working in noisy places are not much affected by noise.
