Homework Help: Chemistry

Posted by Sarah on Wednesday, November 14, 2012 at 6:36pm.

What is the wavelength in Angstroms of radiation that has a frequency of 4.00 x 10^14 s-1?

I tried the equation wavelength= constant / frequency. And the fact that 1 Angstrom = 1x 10^-10 m, but I don't see how the correct answer turns out to be 7.5 x 10^3

Chemistry - DrBob222, Wednesday, November 14, 2012 at 6:57pm
c = fw
3E8 = 4.00E14*w
w = 3E8/4.00E14 = 7.5E7 meters.
7.5E-7 m x (1 A/1E-10 m) = 7.5E3 A
You tried it the right way and I can't imagine what you're doing wrong.

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