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Question

Physics Question on Electromagnetic waves

The direction of propagation of electromagnetic wave is along

A

Electric field vector, E→\overrightarrow{E}

B

Magnetic field vector, B→\overrightarrow{B}

C

E→.B→\overrightarrow{E}.\overrightarrow{B}

D

E→×B→\overrightarrow{E} \times \overrightarrow{B}

Answer

E→×B→\overrightarrow{E} \times \overrightarrow{B}

Explanation

Solution

The direction of propagation of the electromagnetic wave is perpendicular to the plane in which E→\overrightarrow{E} and B→\overrightarrow{B} lies.

So, the direction of propagation of the electromagnetic wave E×B

E→×B→=C→\overrightarrow{E} \times \overrightarrow{B} = \overrightarrow{C}