1.

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 130This question was addressed to me in examination.The question is from Acoustic Design of Auditorium in division Acoustics and Ventilation of Construction & Building Materials

Answer»

The correct choice is (b) 1 to 1000000

For explanation I would SAY: But this wide range is covered on logarithmic SCALE between 1 to 130 db units. One db unit is approximately the smallest CHANGE of sound intensity which the human ear is able to appreciate.



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