A) \[8\times {{10}^{-15}}Hz\]
B) \[12\times {{10}^{-15}}Hz\]
C) \[16\times {{10}^{15}}Hz\]
D) None of these
Correct Answer: C
Solution :
\[E=h\nu \Rightarrow \nu =\frac{E}{h}=\frac{66\times 1.6\times {{10}^{-19}}}{6.6\times {{10}^{-34}}}\]\[=16\times {{10}^{15}}Hz\]
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