A) 1 : 8
B) 1 : 18
C) 8 : 1
D) 20 : 9
Correct Answer: D
Solution :
\[v\propto \lambda \]Þ \[\frac{{{\lambda }_{1}}}{{{\lambda }_{2}}}=\frac{{{v}_{1}}}{{{v}_{2}}}=\frac{2/3}{3/10}=\frac{20}{9}\]You need to login to perform this action.
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