Electromagnetic Waves

Bihar Board Class 12 · Physics · 19 past questions

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1. Q1 2026 Set A

   The dimensions of $\dfrac{B_0^2}{\mu_0}$ will be the same as that of

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2. Q4 2025 Set D

   Unit of $\sqrt{\dfrac{\mu_0}{\varepsilon_0}}$ is

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3. Q6 2025 Set D

   The speed of electromagnetic wave in any material medium does not depend

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4. Q16 2018

   The dimensional formula for $\dfrac{1}{2}\varepsilon_0E^2$ is identical to that of…

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5. Q17 2018

   The energy of an electromagnetic radiation is 13.2keV. This radiation is related to which region of spectrum ?

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6. Q19 2017

   The unit of ratio of magnetic field B and electrical field E (B/E) is-

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