MCQOPTIONS
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MCQOPTIONS
| 1. |
Expression for aperture efficiency in terms of physical aperture Ae and effective aperture Aem is ____ |
| A. | ( frac{A_e}{A_{em}} ) |
| B. | ( frac{A_{em}}{A_e} ) |
| C. | ( frac{A_e+A_{em}}{A_e-A_{em}} ) |
| D. | ( frac{A_e-A_{em}}{A_e+A_{em}} ) |
| Answer» C. ( frac{A_e+A_{em}}{A_e-A_{em}} ) | |