Question: can you please help me with these and explain the...
Can you please help me with these and explain the answers?
The psychological or subjective parameter of frequency is:
2) The intensity level of a sound is 50 dBlL. It's intensity output is
a) 10^-7 watts/m^2
b) 100 dB
c) 20 micropascals
d) 0.0002 dyn/ cm2