Prove that 50dB+50dB is not equal to 100dB.

4.3kviews

written 5.2 years ago by

teamques10 ★ 64k

• modified 5.2 years ago

ADD COMMENT EDIT

1 Answer

524views

written 5.2 years ago by

teamques10 ★ 64k

50decibel= 20log10(Prms/20)

(Prms/20)= antilog(50/20)

Prms= 20∗316.2277

Prms= 6324.55

Here, ((Prms is Root mean square pressure)

Therefore, 50dB+50dBinr.m.s. = sqrt(6324)2+(6324.55)2

= 8944.26microPascal

Resultant sound pressure level= 20log10(Prms/20)dB

= 20log10(8944.26/20)dB

= 53 deciBels (dB)

ADD COMMENT EDIT

Please log in to add an answer.