A) \[{{\lambda }_{1}}=\sqrt{{{\lambda }_{2}}}\]
B) \[{{\lambda }_{1}}<{{\lambda }_{2}}\]
C) \[{{\lambda }_{1}}={{\lambda }_{2}}\]
D) \[{{\lambda }_{1}}>{{\lambda }_{2}}\]
Correct Answer: D
Solution :
As, stopping potential \[{{V}_{0}}=\left( \frac{h}{e} \right)\upsilon -\left( \frac{{{w}_{0}}}{e} \right)\] \[{{V}_{0}}=\left( \frac{hc}{e} \right)\frac{1}{\lambda }-\left( \frac{{{w}_{0}}}{e} \right)={{\lambda }_{1}}>{{\lambda }_{2}}\]
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