Subject :NSO Class : Class 8
The loudness of sound coming from murmur in a quite library is about 30 decibel while that from a car horn is about 120 decibel. The ratio of the amplitudes of vibrations producing these sounds is
A1 : 1
B1 : 2
C1 : 4
D1 : 16
Ans 1: (Master Answer)
Class : Class 1
The correct answer is B.