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प्रश्न
What should we do?
The silencer of a motorcycle is broken.
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उत्तर
If the silencer of a motorcycle is broken, then take the motorcycle to a mechanic and get it reinstalled or repaired.
संबंधित प्रश्न
Noise pollution may cause partial hearing impairment.
List sources of noise pollution in your surroundings.
What do you do in the following situations:
Exposed to a series of firecrackers with high sound level.
What is the safe limit of sound level in dB for our ears?
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?
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.
Suggest three measures to limit noise pollution in your locality.
Unwanted disturbing sound, even if it is music next door, is noise.
