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प्रश्न
Noise is produced by
पर्याय
vibrations with high frequency.
regular vibrations.
regular and periodic vibrations.
irregular and non-periodic vibrations.
उत्तर
Irregular and non-periodic vibrations.
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संबंधित प्रश्न
Explain in what way noise pollution is harmful to humans.
What is the safe limit of sound level in dB for our ears?
Write any three ways by which noise pollution affects the human body adversely. List any three steps that should be followed in order to reduce noise pollution.
What should we do?
A factory in the surroundings is producing continuous loud noise.
Noise pollution is detrimental to human health and environment. Discuss.
With reference to noise pollution, answer the following:
How does traffic contribute to noise pollution ?
Write a short note on noise pollution.
How do we reduce noise pollution?
Mention any two ways to control noise pollution.
Unwanted disturbing sound, even if it is music next door, is noise.
