<prompt> At which level sound is painful -100-120dB80-85dB60-65dB20-25dB  <response>: IntensityWhisper - 30 dBNormal conversation - 60 dBShout - 90 dBDiscomfort of ear - 120 dBPain in ear -130 dBRef. Dhingra, 6e, p 19 