NEET2015BotanyEnvironmental IssuesActual
If the threshold for hearing increasing 1000 times, the hearing loss is
Options
- A40 decibels
- B50 decibels
- C60 decibels
- 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.