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NEET2015BotanyEnvironmental IssuesActual

If the threshold for hearing increasing 1000 times, the hearing loss is

Options

  1. A40 decibels
  2. B50 decibels
  3. C60 decibels
  4. DNone of these

Correct answer

D. None of these

Step-by-step solution

A decibel is a measure of the ratio between two sound stimuli. The decibel level of a sound that a normal human can hear and is calculated using formula. Intensity (in decibles) =10 (sound/threshhold) Therefore, the intensity of a sound that is 1000 times, thresh hold is 30 decibels.

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