Question

if intensity is increased by a factor 2 then what will be it's loudness​

Answer 1

14.77 dB

The intensity of sound in increased by factor 30

Let 2 be the intensity of previous sound

Intensity of recent sound I=30I

β=10log

I

o

I

β

1

=10log

I

o

I

where intensity of sound is I

β

1

=10log

I

o

30I

when intensity of sound is I

Increased in sound level ⇒β

2

−β

1

=10log

I

o

30I

−10log

I

o

I

=10log30

10log

I

30I

=14.77dβ.