The Poynting vector of an electromagnetic wave in vacuum is S = \{ (120W\/ m^{2}) \sin ^{2} [8.0rad\/ m) .z + (2.4 \times 10^{9}rad\/ s) t]\} k What is the frequency of the wave?

AAI ATC Junior Executive 2016 Shift 2 Paper

Question : 119 of 120

Marks: +1, -0

The Poynting vector of an electromagnetic wave in vacuum is

S = \{ (120W\/ m^{2}) sin \;^{2} [8.0rad\/ m) .z + (2.4 × 10^{9}rad\/ s) t]\} k

What is the frequency of the wave?

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