Correct Answer : Option (C) : (6.325,-71.57,3)
Explanation : ρ = √(x2+y2) = √40 = 6.325Φ = tan-1(y/x) = tan-1(-6/2) = -71.57z = 3.
Correct Answer : Option (C) : Power radiated per unit solid angle in that direction
Correct Answer : Option (B) : A quarter wave line
Correct Answer : Option (D) : Larger wavelength than in the free space