for a linear source in three dimensions, the wavefront are cylindrical.(adsbygoogle = window.adsbygoogle || []).push({});

and intensity, I is inversely proportional to r ( distance from the source )

is the fact given correct??

here's the question.

cylindrical wavefronts are emitted by a linear source of length 4.0 m, at a rate of 50 microwatt.

what is the intensity of this wave at a distance of 60m from the source? i just want to check out whether the answers in the book is correct or not..

thank you.

**Physics Forums | Science Articles, Homework Help, Discussion**

Dismiss Notice

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Cylindrical wavefront

**Physics Forums | Science Articles, Homework Help, Discussion**