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Electromagnetic Waves question

2019 · 10 Jan · Shift 1 · Q48
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Electromagnetic Waves question

2019 · 10 Jan · Shift 1 · Q48

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
If the magnetic field of a plane electromagnetic wave is given by (the speed of light = 3 × 108 B = 100 × 10–6 sin [2π×2×1015(t−xc)]\left[ {2\pi \times 2 \times {{10}^{15}}\left( {t - {x \over c}} \right)} \right][2π×2×1015(t−cx​)] then the maximum electric field associated with it is -
  1. A
    4.5 ×\times× 104 N/C
  2. B
    4 ×\times× 104 N/C
  3. C
    6 ×\times× 104 N/C
  4. D
    3 ×\times× 104 N/C
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