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Electromagnetic Waves question

2020 · 7 Jan · Shift 1 · Q48

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JEE Main
Physics
Electromagnetic Waves
2020 · 7 Jan · Shift 1 · Q48

Electromagnetic Waves question

2020 · 7 Jan · Shift 1 · Q48

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1

If the magnetic field in a plane electromagnetic wave is given by

\overrightarrow B

= 3

\times

10-8 sin(1.6

\times

103x + 48

\times

1010t)

\widehat j

T, then what will be expression for electric field ?

A
$\overrightarrow E$ = (9sin(1.6 $\times$ 103x + 48 $\times$ 1010t) $\widehat k$ V/m)
B
$\overrightarrow E$ = (60sin(1.6 $\times$ 103x + 48 $\times$ 1010t) $\widehat k$ V/m)
C
$\overrightarrow E$ = (3 $\times$ 10-8 sin(1.6 $\times$ 103x + 48 $\times$ 1010t) $\widehat i$ V/m)
D
$\overrightarrow E$ = (3 $\times$ 10-8 sin(1.6 $\times$ 103x + 48 $\times$ 1010t) $\widehat j$ V/m)

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