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Planning Process

if the sound ...

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if the sound level at a point 10m from the point source is 20dB . then the sound level at dis†an ce 20m from same source will be abou

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Q. The sound level at a point 5.0 m away from a point source is 40 dB. What will be the level at a point 50 m away from the source?

Q. The sound intensity level at a point 4 m from the point source is

10 d B

, then the sound level at a distance 2 m from the same source will be:

The sound level at a point 5.0 m away from a point source is 40 dB. What will be the level at a point 50 m away from the source ?

Q. The sound intensity level at a point

4 m

from the point source is

10 d B

and the sound level at a distance

2 m

from the same source is

(x + 10) d B .

Find the value of

x .

(log 2 = 0.3)

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