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Physics · 2026 · 1 mark
CBSE 2026 · Region 2 · Set 1 · Q11
An electromagnetic wave is propagating along x-axis. At any instant, the phase difference (in radian) between the electric field ( E ) and the…
An electromagnetic wave is propagating along x-axis. At any instant, the phase difference (in radian) between the electric field ( $\displaystyle \overrightarrow{\mathrm{E}}$ ) and the magnetic field $\displaystyle (\overrightarrow{\mathrm{B}})$ associated with the wave is
Official answer
(A)
zero
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CBSE Class 12 Physics past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.