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Asked by ankit24 | 7th Jan, 2010, 05:24: PM

Expert Answer:

Hi dear,

Intensity levels of two waves of intensity I and Io differ by B decibels.

Where, β = 10log10(I/io)

When I = Io , then you have

10log10(I/io), = 10 log 2 = 3.01

Intensity level differs by 3.01 dB at a distance of 50 km.

Hope this helps.

Answered by  | 8th Jan, 2010, 12:12: PM

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