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Geeta V

Ssc & Railways
Quantitative Aptitude
3 years ago

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Dileep Vishwakarma

3 years ago

Sound is measured in decibels (dB). A whisper is about 30 dB, normal conversation is about 60 dB, and a motorcycle engine running is about 95 dB. Noise above 70 dB over a prolonged period of time may start to damage your hearing. Loud noise above 120 dB can cause immediate harm to your ears.

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Nahid Naz

3 years ago

a

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RAUSHAN KUMAR

3 years ago

60db

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Be Positive

3 years ago

about 60db

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Aakash Kumar

3 years ago

80

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Nitu Bhati

3 years ago

C

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Akanchha Pandey

3 years ago

about 80 db

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