for certain x-ray radiation, given frequency in petahertz, give wavelength in nanometer, must be accurate +/- 25%
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Tholian
on 19 Mar 2012
The tests need to use a more precise value for a certain constant.
Tholian
on 19 Mar 2012
The +/- 25% in the problem statement does not match the test results.
James
on 20 Jul 2012
Agreed on both counts.
Gareth Lee
on 22 Apr 2015
it seems the test result is centimeter, not nanometer
Jihye Sofia Seo
on 10 Feb 2017
A great physics problem. However, it does not work with a more accurate value of speed of light, namely
c = 299,792 kilometers per second
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Aurelien Queffurust
on 17 Apr 2012
definitely agree with your comments
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