Correct Answer : Option (D) : Surface to volume integral
Explanation : The divergence theorem is given by, ∫∫ D.ds = ∫∫∫ Div (D) dv. It is clear that it converts surface (double) integral to volume(triple) integral.
Correct Answer : Power radiated per unit solid angle in that direction
Correct Answer : A quarter wave line
Correct Answer : Larger wavelength than in the free space