What is the safe limit of sound level (in $d B$ ) for our ears?

12 d B

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120 d B

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180 d B

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10 d B

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Solution

The correct option is A $120 d B$
Sound pressure is measured in decibels (dB). Noise levels above 140 dB are not considered safe for any period of time. However, for children, the World Health Organization (WHO) recommends no exposure above $120 d B$ .

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