system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
During normal conversation sound heard at 1meter distance is
assistant
The correct answer is  At a distance of 1 m , intensity of Whisper - 30 dB Normal conversation - 60 dB Shout - 90 dB Discomfo of the ear - 120 dB Pain in the ear - 130 dB Ref: Dhingra 7e pg 21.