MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
The value at which the second null occurs in H-plane of rectangular aperture of a*b is given by ____ |
| A. | sin<sup>-1</sup> u2061(2 /a) |
| B. | sin<sup>-1</sup> u2061( /a) |
| C. | sin<sup>-1</sup> u2061(a/2 ) |
| D. | sin<sup>-1</sup> u2061(a/ ) |
| Answer» B. sin<sup>-1</sup> u2061( /a) | |