How much energy is in a wave that has a wavelength of 1.3 pm?

1 Answer
anor277
Oct 19, 2016

#epsilon=hnu#, where #h="Planck's constant"=6.626xx10^(-34)J*s#

Explanation:

Here #nu=c/lambda# and thus #epsilon=nuxx6.626xx10^(-34)J*s#

#=(3.00xx10^8*ms^-1xx6.626xx10^(-34)J*s)/(1.3xx10^-12m)#.

This calculation gives an answer in #"Joules"# as required.

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