edited by
118 views
0 votes
0 votes

In a broad side array of $20$ isotropic radiators, equally spaced at a distance of $\frac{\lambda}{2}$, the beam width between first nulls is

  1. $51.3$ degrees
  2. $11.46$ degrees
  3. $22.9$ degrees
  4. $102.6$ degrees
edited by

Please log in or register to answer this question.