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प्रश्न
Explain the Term: Decibel
थोडक्यात उत्तर
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उत्तर
The unit to measure sound is called decibel.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
संबंधित प्रश्न
State any four measures to control noise pollution.
List two major harmful effects of the following:
Prolonged noise such as the one produced by crackers.
Which of the following problems is not created by noise pollution?
What should we do?
The silencer of a motorcycle is broken.
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 |
How is noise a source of pollution?
How does planting trees help in reducing noise pollution?
What steps should be taken to reduce the effect of noise pollution?
What is the name of the sound produced by irregular vibrations?
Define the following term:
Noise
