Answer
$E = 2.84\times 10^{-19}~J$
Work Step by Step
We can find the energy of the photon:
$E = \frac{hc}{\lambda}$
$E = \frac{(6.626\times 10^{-34}~J~s)(3.0\times 10^8~m/s)}{0.701\times 10^{-6}~m}$
$E = 2.84\times 10^{-19}~J$
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