A) \[\frac{135}{\pi }\mu m\]
B) \[\frac{180}{\pi }\mu m\]
C) \[\frac{150}{\pi }\mu m\]
D) None of these
Correct Answer: A
Solution :
[a] Light first passes through planoconvex lens and then by biprism. \[D=80+v=120cm\] & \[\beta =\frac{\lambda D}{d}=\frac{\lambda D}{2\times 40\times \delta }\]
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