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QJEE_MAIN 2022
The intensity of the light from a bulb incident on a surface is $0.22 \mathrm{~W} / \mathrm{m}^2$. The amplitude of the magnetic field in this...
JEE MainPhysicsHard
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QJEE MAIN 2022
If electric field intensity of a uniform plane electro magnetic wave is given as $$ E=-301.6 \sin (k z-\omega t) \hat{a}_x+452.4 \sin (k z-\omega t)...
JEE MainPhysicsHard
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QJEE MAIN 2022
A plane electromagnetic wave travels in a medium of relative permeability 1.61 and relative permittivity 6.44. If magnitude of magnetic intensity is$4.5 \times 10^{-2} \mathrm{Am}^{-1}$...
JEE MainPhysicsHard
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QJEE MAIN 2022
An infinitely long hollow conducting cylinder with radius R carries a uniform current along its surface. Choose the correct representation of magnetic field (B) as...
JEE MainPhysicsEasy
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QJEE MAIN 2022
The three charges $q / 2, q$ and $q / 2$ are placed at the corners $A, B$ and $C$ of a square of side...
JEE MainPhysicsMedium
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QJEE MAIN 2023
The electric field in an electromagnetic wave is given by $\mathrm{E}=56.5 \sin \omega(\mathrm{t}-\mathrm{x} / \mathrm{c}) \mathrm{NC}^{-1}$. Find the intensity of the wave if it is...
JEE MainPhysicsMedium
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QJEE-Main_2024
A plane electromagnetic wave of frequency 35 MHz travels in free space along the X-direction. At a particular point (in space and time) $...
JEE MainPhysicsEasy
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QJEE MAIN 2024
If frequency of electromagnetic wave is 60MHz and it travels in air along z direction then the corresponding electric and magnetic field vectors will be...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Given below are two statements: Statement I: Electromagnetic waves carry energy as they travel through space and this energy is equally shared by the electric...
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