A plane electromagnetic wave propagating along y-direction can have the
Question:

A plane electromagnetic wave propagating along y-direction can have the following pair of electric field $(\vec{E})$ and magnetic field $(\vec{B})$ components.

1. (1) $\mathrm{E}_{\mathrm{y}}, \mathrm{B}_{\mathrm{y}}$ or $\mathrm{E}_{\mathrm{z}}, \mathrm{B}_{\mathrm{z}}$

2. (2) $\mathrm{E}_{\mathrm{y}}, \mathrm{B}_{\mathrm{x}}$ or $\mathrm{E}_{\mathrm{x}}, \mathrm{B}_{\mathrm{y}}$

3. (3) $\mathrm{E}_{\mathrm{x}}, \mathrm{B}_{\mathrm{z}}$ or $\mathrm{E}_{\mathrm{z}}, \mathrm{B}_{\mathrm{x}}$

4. (4) $\mathrm{E}_{\mathrm{x}}, \mathrm{B}_{\mathrm{y}}$ or $\mathrm{E}_{\mathrm{y}}, \mathrm{B}_{\mathrm{x}}$

Correct Option: , 3

Solution:

(3)

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