Can someone please explain why we don't use the reference number in answering this question? I would really appreciate it.
72. The human ear normally responds to a range of
sound covering about 120 dB. The loudest sound
pressure level that can be heard over this range is:
72. The human ear normally responds to a range of
sound covering about 120 dB. The loudest sound
pressure level that can be heard over this range is:
