Ncert Exercises & Solutions

An electromagnetic wave travels in a vacuum along the \(z\)-direction: \(E=\left(E_1 \hat{i}+E_2 \hat{j}\right) \cos (k z-\omega t)\). Choose the correct options from the following.

(a)	The associated magnetic field is given as: \(B=\dfrac{1}{c}\left(E_1 \hat{i}-E_2 \hat{j}\right) \cos (k z-\omega t)\)
(b)	The associated magnetic field is given as:\(E=\dfrac{1}{c}\left(E_1 \hat{i}-E_2 \hat{j}\right) \cos (k z-\omega t)\)
(c)	The given electromagnetic field is circularly polarised.
(d)	The given electromagnetic wave is plane polarised.

Choose the correct options:
1. (b), (c)
2. (a), (c)
3. (a), (d)
4. (c), (d)

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