What is the energy of a photon that emits a light of frequency #7.21 times 10^14# #Hz#?

1 Answer
Monzur R.
Apr 24, 2017

#sf(E)=4.78xx10^-19# #"J"#

Explanation:

The chemical equation for the energy of a photon is given by:

#sf(E)=sf(h)nu#, where #h# is the Planck constant and #nu# is the frequency.

#sf(E)=sf(h)nu=6.626xx10^-34# #"J"# #"s"# #xx7.21xx10^14# #"s"^-1# #=4.78xx10^-19# #"J"#

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