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Electromagnetic Waves

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2021
A plane electromagnetic wave with frequency of 30 MHz travels in free space. At particular point in space and time, electric field is 6 V/m....
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Q JEE MAIN 2019
A plane electromagnetic wave travels in free space along the x-direction. The electric field component of the wave at a particular point of space and...
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Q JEE-MAIN 2021
A light beam is described by $E=800 \sin \omega\left(t-\frac{x}{c}\right)$. An electron is allowed to move normal to the propagation of light beam with a speed...
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Q JEE MAIN 2019
The magnetic field of an electromagnetic wave is given by: $$ \vec{B}=1.6 \times 10^{-6} \cos \left(2 \times 10^7 z+6 \times 10^{15} t\right)(2 \hat{i}+\hat{j}) \frac{W b}{m^2}...
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Q JEE MAIN 2021
In an electromagnetic wave the electric field vector and magnetic field vector are given as $\overrightarrow{\mathrm{E}}=\mathrm{E}_0 \hat{\mathrm{i}}$ and $\overrightarrow{\mathrm{B}}=\mathrm{B}_0$ respectively. The direction of propagation of...
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Q JEE MAIN 2022
Identify the correct statements from the following descriptions of various properties of electromagnetic waves.
A. In a plane electromagnetic wave electric field and magnetic...
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Q JEE Main 2019
A plane electromagnetic wave of frequency 50 MHz travels in free space along the positive x-direction. At a particular point in space and time, $...
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Q JEE MAIN 2021
A plane electromagnetic wave of frequency 100 MHz is travelling in vacuum along the $x$-direction. At a particular point in space and time, $...
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Q JEE MAIN 2021`
The peak electric field produced by the radiation coming from the 8 W bulb at a distance of 10 m is $\frac{x}{10} \sqrt{\frac{\mu_0 c}{\pi}} \frac{V}{m}$....
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Q JEE MAIN 2021
For an electromagnetic wave travelling in free space, the relation between average energy densities due to electric $\left(U_e\right)$ and magnetic $\left(U_m\right)$ fields is :
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