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प्रश्न
Noise is produced by
विकल्प
vibrations with high frequency.
regular vibrations.
regular and periodic vibrations.
irregular and non-periodic vibrations.
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उत्तर
Irregular and non-periodic vibrations.
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संबंधित प्रश्न
Noise pollution may cause partial hearing impairment.
What is meant by noise pollution?
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.
Explain the Term: Noise pollution
Explain the Term: Ammonification
Write the answer in your own words.
What measures will you take to control noise pollution?
With reference to noise pollution, answer the following:
How does traffic contribute to noise pollution?
What is the name of the sound produced by irregular vibrations?
Define the following term:
Noise
