In a broadside array of 20 isotropic radiators, equally spaced at distance of /2, the beamwidth of the first nulls is

In a broadside array of 20 isotropic radiators, equally spaced at dist

1.	In a broadside array of 20 isotropic radiators, equally spaced at distance of /2, the beamwidth of the first nulls is
A.	11.46
B.	5.73
C.	10.46
D.	None of these
Answer» B. 5.73

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In a broadside array of 20 isotropic radiators, equally spaced at distance of /2, the beamwidth of the first nulls is

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