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Olympiad workbookNSEPElectromagnetic Waves

The magnetic field B =2 10⁻⁵ (0.5 10^3 x+1.5 10¹¹ t ) j T represents a plane electromagnetic wave travelling in space with x in meter and t in second. The correct statement(s) are

Options

  1. AThe wave length of the wave is 4.0 mm and its frequency is 75 GHz
  2. BThe energy density associated with the wave is nearly =316 J / m ^3
  3. CThe electric field vector is E =-6000 [ (0.5 10^3 x-1.5 10¹¹ t ) ] k Vm ⁻¹
  4. DThe electric field vector is E =6000 [ (0.5 10^3 x+1.5 10¹¹ t ) ] k Vm ⁻¹

Correct answer

D. The electric field vector is E =6000 [ (0.5 10^3 x+1.5 10¹¹ t ) ] k Vm ⁻¹

Step-by-step solution

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