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प्रश्न
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 |
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उत्तर
| Nature of sound | Unpleasant | Pleasant |
| Speaking | Pleasant | |
| Whispering | Pleasant | |
| Aeroplane sounds | Unpleasant | |
| Horns of Vehicles | Unpleasant | |
| Railway Engine | Unpleasant | |
| Rustling of leaves | Pleasant | |
| Neighing of a horse | Unpleasant | |
| Ticking of a clock | Unpleasant |
संबंधित प्रश्न
Suggest measures to avoid noise pollution in classroom.
Noise pollution may cause partial hearing impairment.
Mention any two measures to minimise noise pollution.
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.
What should we do?
The silencer of a motorcycle is broken.
State briefly how is noise pollution detrimental to human health.
With reference to noise pollution, answer the following:
Why are the construction sites considered as worse than factories in their contribution to noise pollution?
With reference to noise pollution, answer the following:
How do the airplanes cause noise pollution?
Which of the following may be caused by noise?
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.
