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Electromagnetic Waves question

2022 · 27 Jul · Shift 1 · Q59
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  5. /2022 · 27 Jul · Shift 1 · Q59

Electromagnetic Waves question

2022 · 27 Jul · Shift 1 · Q59

JEE MainPhysicsElectromagnetic WavesMCQ+4 / −1
A beam of light travelling along XXX-axis is described by the electric field Ey=900sin⁡ω(t−x/c)E_{y}=900 \sin \omega(\mathrm{t}-x / c)Ey​=900sinω(t−x/c). The ratio of electric force to magnetic force on a charge q\mathrm{q}q moving along YYY-axis with a speed of 3×107 ms−13 \times 10^{7} \mathrm{~ms}^{-1}3×107 ms−1 will be : (Given speed of light =3×108 ms−1=3 \times 10^{8} \mathrm{~ms}^{-1}=3×108 ms−1)
  1. A
    1 : 1
  2. B
    1 : 10
  3. C
    10 : 1
  4. D
    1 : 2
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