A) 1: 5000
B) 5000 : 1
C) 1 :25 \[\times \]106
D) 25 \[\times \]106
Correct Answer: B
Solution :
Energy \[E=h\nu =h\frac{c}{\lambda }\] \[\therefore \,\,\frac{{{E}_{1}}}{{{E}_{2}}}=\frac{{{\lambda }_{2}}}{{{\lambda }_{1}}}=\frac{5000}{1}\]
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