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JEE Main20257 Apr 2025Evening ShiftPhysicsElectromagnetic WavesActual

The unit of 2 I ₀ c is : (I = intensity of an electromagnetic wave, c : speed of light)

Options

  1. AVm
  2. BNC
  3. CNm
  4. DNC ⁻¹

Correct answer

D. NC ⁻¹

Step-by-step solution

aligned & I = 1 2 ₀ E ₀^2 C & E ₀= 2 I ₀ C aligned E₀ : electric field N/C

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