The sound of which intensity is regarded as the safe noise level for a city? *
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70 decibels
The sound intensity which is regarded as the safe noise level for a city is 70 decibels. This 70 decibels hearing sound does not cause any discomfort in the ear. Hence it is regarded as the safe limit. Above 70 decibels the person might have ear discomfort which is hence not prescribed for the sound level.
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The sound intensity which is regarded as the safe noise level for a city is 70 decibels. This 70 decibels hearing sound does not cause any discomfort in the ear. Hence it is regarded as the safe limit. Above 70 decibels the person might have ear discomfort which is hence not prescribed for the sound level.
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Answer:
The correct answer of this question is 45 dB.
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Given - The intensity of sound .
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Decibels are used to measure noise. Continuous noise levels in excess of 90 dB, according to experts, can induce hearing loss and irreversible abnormalities in nerve systems. The World Health Organization [WHO] has determined that the safe noise level for a city is 45 dB.
The average decibel level in India's metropolitan centres is greater over 90 dB.
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