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Electromagnetic Waves

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2026
The equation of the electric field of an electromagnetic wave propagating through free space is given by:
$...
JEE Main Physics Easy
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Q JEE MAIN 2026
The electric field of an electromagnetic wave travelling through a medium is given by $\vec{E}(x, t)=25 \sin \left(2.0 \times 10^{15} t-10^7 x\right) \hat{n}$ then the...
JEE Main Physics Easy
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Q JEE MAIN 2026
Match the LIST-I with LIST-II

Choose the correct answer from the options given below:
JEE Main Physics Easy
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Q JEE MAIN 2026
The ratio of speeds of electromagnetic waves in vacuum and a medium, having dielectric constant $k=3$ and permeability of $\mu=2 \mu_0$, is ( $\mu_0=$ permeability...
JEE Main Physics Easy
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Q JEE MAIN 2026
Match List - I with List - II.
Choose the correct answer from the...
JEE Main Physics Easy
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Q JEE MAIN 2026
The electric field of a plane electromagnetic wave, travelling in an unknown nonmagnetic medium is given by, $$ E_y=20 \sin \left(3 \times 10^6 x-4.5 \times...
JEE Main Physics Easy
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Q JEE MAIN 2026
A laser beam has intensity of $4.0 \times 10^{14} \mathrm{~W} / \mathrm{m}^2$. The amplitude of magnetic field associated with beam is $\_\_\_\_$ T. (Take $...
JEE Main Physics Medium
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Q JEE MAIN 2026
An electromagnetic wave of frequency 100 MHz propagates through a medium of conductivity, $\sigma=10 \mathrm{mho} / \mathrm{m}$. The ratio of maximum conduction current density to...
JEE Main Physics Hard
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Q JEE MAIN 2026
The electric field in a plane electromagnetic wave is given by : $$ E_y=69 \sin \left[0.6 \times 10^3 x-1.8 \times 10^{11} t\right] \mathrm{V} / \mathrm{m}...
JEE Main Physics Easy
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Q JEE MAIN 2020
A plane electromagnetic wave, has frequency of $2.0 \times 1010 \mathrm{~Hz}$ and its energy density is $1.02 \times 10- 8 \mathrm{~J} / \mathrm{m} 3$ in...
JEE Main Physics Medium
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