most of human ears cannot hear sound of intensity less than, a) 1 w/m2 b) 5 w/m2 c) 10 w/m2 d) 100 w/m2 Share with your friends Share 0 Sanjay Singh answered this Dear student The threshold intensity that is the minimum intensity that a human can hear is 10-12 w/m2 . Sound having intensity greater than this intensity can be heard by normal human ear.Theintensity of even 1w/m2 is painful to the ear.Regards 1 View Full Answer