A) 6 m
B) 3 m
C) 5 m
D) 1 m
Correct Answer: C
Solution :
\[\frac{1.22\,\lambda }{a}=\frac{x}{d}\Rightarrow d=\frac{x\times a}{1.22\,\lambda }\]\[=\frac{1\times {{10}^{-3}}\times 3\times {{10}^{-3}}}{1.22\times 500\times {{10}^{-9}}}\]= 5mYou need to login to perform this action.
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