A) 0.66 eV
B) 1.66 eV
C) 2.66 eV
D) 3.5 eV
Correct Answer: C
Solution :
Energy\[E=\frac{hc}{\lambda \times 1.6\times {{10}^{-19}}}eV\] \[=\frac{6.6\times {{10}^{-34}}\times 3\times {{10}^{8}}}{\begin{align} & 6\times {{10}^{10-7}}\times 1.6{{\times }^{19}} \\ & =2.66\,MeV \\ \end{align}}\]
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