10 JEE Main 2025 Electromagnetic Waves previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Electromagnetic Waves chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Electromagnetic Waves chapter hub.
The electric field of an electromagnetic wave in free space is E=57 [7.5 × 10⁶ t-5 × 10⁻³(3 x+4 y) ](4 i-3 j) N / C. Th…
Due to presence of an em-wave whose electric component is given by E=100 (ω t-kx) NC⁻¹, a cylinder of length 200 cm hol…
Two plane polarized light waves combine at a certain point whose electric field components are aligned & E₁=E₀ ω t \ &…
The unit of 2 Iε₀ c is : (I = intensity of an electromagnetic wave, c: speed of light)
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A…
A plane electromagnetic wave of frequency 20 MHz travels in free space along the +x direction. At a particular point in…
The magnetic field of an E.M. wave is given by B= (√(3)2 i+(1)/(2) j ) 30 [ω (t-zc ) ] (S.I. Units). The corresponding…
If an optical medium possesses a relative permeability of (10)/(π) and relative permittivity of (1)/(0.0885), then the…
A plane electromagnetic wave propagates along the +x direction in free space. The components of the electric field, E a…
A parallel plate capacitor of area A=16 ~cm² and separation between the plates 10 cm , is charged by a DC current. Cons…