1.

A plane electromagnetic wave having a frequency ‘ν’ = 23.9 GHz propagates along the positive z-direction in free space. The peak value of the Electric Field is 60 V/m. Which among the following is the acceptable magnetic field component in the electromagnetic wave?

A. \(\vec B\) = 2 × 107 sin(0.5 × 103 z + 1.5 × 1011t) î
B. \(\vec B \) = 2 × 10-7 sin(0.5 × 103 z - 1.5 × 1011t) î
C. \(\vec B \) = 60 sin(0.5 × 103 x + 1.5 × 1011t) k̂
D. \(\vec B \) = 2 × 10-7 sin(1.5 × 102 x + 0.5 × 1011t) ĵ
Answer» C. \(\vec B \) = 60 sin(0.5 × 103 x + 1.5 × 1011t) k̂


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