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प्रश्न
How does planting trees help in reducing noise pollution?
टिप्पणी लिखिए
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उत्तर
- Plant parts such as stems, leaves, branches wood, etc., absorb sound.
- Rough bark and thick, fleshy leaves are particularly effective at absorbing sound due to their dynamic surface area and helps in reducing noise pollution.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Sound - Exercises [पृष्ठ ७०]
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संबंधित प्रश्न
Noise pollution may cause partial hearing impairment.
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?
The sound which is disagreeable to the ears is called ______.
What should we do?
The silencer of a motorcycle is broken.
What should we do?
A factory in the surroundings is producing continuous loud noise.
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 |
Which of the following may be caused by noise?
Lcrud noise or even loud music can damage our eyes.
Unwanted disturbing sound, even if it is music next door, is noise.
