A) \[5\times {{10}^{14}}m\]
B) 6000Å
C) 5000 Å
D) Cannot be estimated from given data
Correct Answer: B
Solution :
\[{{\lambda }_{0}}=\frac{c}{{{\nu }_{0}}}=\frac{3\times {{10}^{8}}}{5\times {{10}^{14}}}=6\times {{10}^{-7}}m=6000\,{\AA}\]
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