Join ExamsbookAnswer : 4. "120 decibles"
Damage to hearing is caused by sounds which exceed5
Q: Damage to hearing is caused by sounds which exceed
- 170 deciblesfalse
- 280 deciblesfalse
- 3100 deciblesfalse
- 4120 deciblestrue
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Answer : 4. "120 decibles"
Explanation :
Answer: D) 120 decibles Explanation: High frequency sound attacks the tympanic memberane and makes it defective. 120 decibles is too high a pitch to be heard and therefore it impairs the hearing ability.
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