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September 19, 2014

September 19, 2014

Posted by **chris adison** on Saturday, April 19, 2008 at 8:14pm.

For this question don't I use B=log10(I/IO)

So it would be B=log10(2.25/1.0e-12) right?

- phyiscs repost 2 -
**Anonymous**, Saturday, April 19, 2008 at 8:50pm2.25 microwatts is a millionth of a watt, or 2.25x10^-6 W/m^2. This is divided by 1e-12, so the solution is:

B=10log10(2.25e+6)

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