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JEE Advanced 2023 · Paper 2 · one or more correct

JEE Advanced 2023 Physics question on Electromagnetic Waves

The electric field associated with an electromagnetic wave propagating in a dielectric medium is given by E⃗=30(2x^+y^)sin⁡[2π(5×1014t−1073z)]\vec{E} = 30(2\hat{x} + \hat{y})\sin\left[2\pi\left(5 \times 10^{14}t - \dfrac{10^7}{3}z\right)\right] V m−1^{-1}. Which of the following option(s) is(are) correct?

[Given: The speed of light in vacuum, c=3×108c = 3 \times 10^8 m s−1^{-1}]
  1. A.
    Bx=−2×10−7sin⁡[2π(5×1014 t−1073z)]B_x = -2 \times 10^{-7} \sin\left[2\pi\left(5 \times 10^{14}\, t - \dfrac{10^7}{3}z\right)\right] Wb m−2^{-2}.
  2. B.
    By=2×10−7sin⁡[2π(5×1014 t−1073z)]B_y = 2 \times 10^{-7} \sin\left[2\pi\left(5 \times 10^{14}\, t - \dfrac{10^7}{3}z\right)\right] Wb m−2^{-2}.
  3. C.
    The wave is polarized in the xyxy-plane with polarization angle 30°30° with respect to the xx-axis.
  4. D.
    The refractive index of the medium is 2.
Show answer

Correct options: A, D

[JEE Advanced 2023 · Paper 2]

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