A) \[a=\frac{{{\lambda }^{2}}}{L}\]and\[{{b}_{\min }}=\sqrt{4\lambda L}\]
B) \[a=\frac{{{\lambda }^{2}}}{L}\]and\[{{b}_{\min }}=\left( \frac{2{{\lambda }^{2}}}{L} \right)\]
C) \[a=\sqrt{\lambda L}\]and\[{{b}_{\min }}=\left( \frac{2{{\lambda }^{2}}}{L} \right)\]
D) \[a=\sqrt{\lambda L}\]and\[{{b}_{\min }}=\sqrt{4\lambda L}\]
Correct Answer: D
Solution :
[d] Spot size (diameter) |
(i) |
For Real roots |
by eq. (i) |
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