Environmental Studies Short Question | Gkseries

Home/
General Knowledge/
given-the-following-data-of-sound-pressure-levels-measured-at-equal-intervals-60db-62-db-63-db

Given the following data of sound pressure levels measured at equal intervals:60dB, 62 dB, 63 dB, 59 dB, 60 dB, 80 dB, 58 dB, 59 dB, 65 dB, 57 dB, 62 dB. The value of the background noise level (L90) is :

A 62.5 dB

B 57 dB

C 61 dB

D 58 dB

Answer & Explanation
Answer:58 dB

Article and Schedule Quiz	Start Test!