Answer
$7.274\times 10^7$
Work Step by Step
We know that
$\nu=\frac{h}{m\lambda}$
We plug in the known values to obtain:
$\nu=\frac{6.626\times 10^{-34}}{9.109\times 10^{-31}\times 1\times 10^{-11}}=7.274\times 10^7$
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