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JEE Main 2022 · 30 Jul · Shift 2, Physics question 13

A plane electromagnetic wave propagating in free space has amplitude of electric field of 900 N/C. The amplitude of magnetic field will be : _______

Choose one option
Answer and worked solution

Official answer: C

B0=E0/cB_0=E_0/c =9003×108=3=\frac{900}{3\times10^8}=3 μT.

(C)

Topics:Properties of EM waves
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