1.

Intensity level of a sound of intensity I is 30 dB. The ratio \[\frac{I}{{{I}_{0}}}\] is (Where \[{{I}_{0}}\] is the threshold of hearing) [KCET 1999; J & K CET 2005]

A.            3000                                         
B.            1000
C.            300
D.            30
Answer» D.            30


Discussion

No Comment Found

Related MCQs