MCQOPTIONS
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MCQOPTIONS
| 1. |
The first null beam width in the E-plane of a rectangular aperture of a b is given by _______________ |
| A. | 2sin<sup>-1</sup> u2061( /b) |
| B. | sin<sup>-1</sup> u2061( /a) |
| C. | 2sec<sup>-1</sup> u2061( /b) |
| D. | 2cos<sup>-1</sup> u2061( /a) |
| Answer» B. sin<sup>-1</sup> u2061( /a) | |