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Electromagnetic Waves question

2022 · 26 Jul · Shift 2 · Q45
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  5. /2022 · 26 Jul · Shift 2 · Q45

Electromagnetic Waves question

2022 · 26 Jul · Shift 2 · Q45

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
The oscillating magnetic field in a plane electromagnetic wave is given by By=5×10−6sin⁡1000π(5x−4×108t)TB_{y}=5 \times 10^{-6} \sin 1000 \pi\left(5 x-4 \times 10^{8} t\right) TBy​=5×10−6sin1000π(5x−4×108t)T. The amplitude of electric field will be :
  1. A
    15×102 Vm−115 \times 10^{2} \,\mathrm{Vm}^{-1}15×102Vm−1
  2. B
    5×10−6 Vm−15 \times 10^{-6} \,\mathrm{Vm}^{-1}5×10−6Vm−1
  3. C
    16×1012 Vm−116 \times 10^{12} \,\mathrm{Vm}^{-1}16×1012Vm−1
  4. D
    4×102 Vm−14 \times 10^{2} \,\mathrm{Vm}^{-1}4×102Vm−1
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