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प्रश्न
Mention any two measures to minimise noise pollution.
उत्तर
- Prohibiting the blowing of horns.
- Restriction on loudspeakers, especially during the night.
- Planting trees by the roadside and keeping doors closed in the houses reducess noise reaching our ears.
- Not to burn firecrackers.
Notes
Students should refer to the answer according to their questions.
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संबंधित प्रश्न
Noise pollution may cause partial hearing impairment.
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
What should we do?
The silencer of a motorcycle is broken.
Write the answer in your own words.
What measures will you take to control noise pollution?
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 |
With reference to noise pollution, answer the following:
Why are the construction sites considered as worse than factories in their contribution to noise pollution ?
How do we reduce noise pollution?
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.
List three sources of noise pollution in your locality.
