Electromagnetic Waves

CBSE Class 12 · Physics · 12 past questions

1. Q1 2026

   A plane electromagnetic wave travels through a medium and the magnetic field associated with it is given by…

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2. Q2 2026

   An electromagnetic wave passes from vacuum into a dielectric medium with relative electrical permittivity…

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3. Q3 2026

   Electromagnetic waves used in a diagnostic tool in medicine have a wavelength range

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4. Q4 2026

   An electromagnetic wave is propagating along x-axis. At any instant, the phase difference (in radian) between…

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5. Q5 2025

   The amplitude of electric field in an electromagnetic wave in free space is $1000\ \text{Vm}^{-1}$. The…

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6. Q6 2024

   Which one of the following has the highest frequency ?

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7. Q7 2024

   The electric field in an electromagnetic wave in vacuum is given by…

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8. Q8 2024

   Electromagnetic waves with wavelength 10 nm are called…

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9. Q9 2023

   $\vec{E}$ and $\vec{B}$ represent the electric and the magnetic field of an electromagnetic wave…

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10. Q10 2023

    The electromagnetic radiations used to kill germs in water purifiers are called…

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11. Q11 2023

    In the process of charging of a capacitor, the current produced between the plates of the capacitor is…

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12. Q12 2023

    Consider an induced magnetic field due to changing electric field and an induced electric field due to…

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