NVAEasyJEE Main 2026 · 23 January, Shift 1Characteristics of EM Waves

Physics Question from JEE Main 2026 · 23 January, Shift 1

The equation of the electric field of an electromagnetic wave propagating through free space is given by: E=377sin(6.27×103t2.09×105x)E = \sqrt{377} \sin(6.27 \times 10^3 t - 2.09 \times 10^{-5} x) N/C. The average power of the electromagnetic wave is (1/a)(1/a) W/m². The value of aa is _____ (Take μ0/ε0=377\sqrt{\mu_0/\varepsilon_0} = 377 in SI units)

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