Homework Help: Physics

Posted by Beth on Friday, July 27, 2012 at 5:15pm.

When uranium 92U235 decays, it emits a ray. If the emitted ray has a wavelength of 1.30 x 10-11 m, determine the energy (in MeV) of the ray

Physics - Elena, Saturday, July 28, 2012 at 3:05pm
ε=hc/λ=
=6.63•10^-34•3•10^8/1.3•10^-11=
=1.53•10^-14 J =1.53•10^-14/1.6•10^-19=
=95625 eV=0.095625 MeV

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