

MCQOPTIONS
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1. |
Fraunhofer distance is given by _____ |
A. | 2D2/λ |
B. | 2D/λ |
C. | D/λ |
D. | 2D/λ2 |
Answer» B. 2D/‚âà√≠¬¨‚Ñ¢ | |