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Electromagnetic Waves question

2019 · 12 Apr · Shift 2 · Q41

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JEE Main
Physics
Electromagnetic Waves
2019 · 12 Apr · Shift 2 · Q41

Electromagnetic Waves question

2019 · 12 Apr · Shift 2 · Q41

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1

A plane electromagnetic wave having a frequency v = 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
$\overrightarrow B$ = 2 × 10–7 sin(1.5 × 102 x + 0.5 × 1011t) $\widehat j$
B
$\overrightarrow B$ = 60 sin(0.5 × 103x + 0.5 × 1011t) $\widehat k$
C
$\overrightarrow B$ = 2 × 10–7 sin(0.5 × 103 z + 1.5 × 1011t) $\widehat i$
D
$\overrightarrow B$ = 2 × 10–7 sin(0.5 × 103 z - 1.5 × 1011t) $\widehat i$

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