The range of audible sound too painful noise varies from ________ decibel.
(a) 1000000 to 1
(b) 1 to 1000000
(c) 10000 to 10000000
(d) 1 to 130
This question was addressed to me in examination.
The question is from Acoustic Design of Auditorium in division Acoustics and Ventilation of Construction & Building Materials