15 JEE Main 2019 Electromagnetic Waves previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2019 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 a plane polarized electromagnetic wave in free space at time t = 0 is given by the expression E &…
A 27 ~mW laser beam has a cross-sectional area of 10 ~mm². The magnitude of the maximum electric field in this electrom…
The electric field of a plane electromagnetic wave is given by E → = E 0 i ^ cos ⁡ k z c o s ⁡ ( `…
If the magnetic field of a plane electromagnetic wave is given by (The speed of light = 3 × 10 8   m / s ) B…
Given below in the left column are different modes of communication using the kinds of waves given in the right column.…
The mean intensity of radiation on the surface of the Sun is about 10 8 W / m 2 . The rms value of the corresponding ma…
A plane electromagnetic wave travels in free space along the x-direction. The electric field component of the wave at a…
The energy associated with electric field is U E and with magnetic field is U B for an electromagnetic wave in free spa…
An electromagnetic wave of intensity 50 Wm⁻² enters in a medium of refractive index 'n' without any loss. The ratio of…
An electromagnetic wave is represented by the electric filed E → = E 0 n ^ sin ⁡ ω t + 6 y - 8 z . Tak…
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