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  • For a plane electromagnetic wave propagating it x-direction, which one of the following combination given the correct possible direction for electric field (E) and magnetic field (B) respectively?<

For a plane electromagnetic wave propagating it x-direction, which one of the following combination given the correct possible direction for electric field (E) and magnetic field (B) respectively?

Option: 1

\hat{j}+\hat{k}, \hat{j}+\hat{k}


Option: 2

-\hat{j}+\hat{k}, -\hat{j}-\hat{k}


Option: 3

\hat{j}+\hat{k}, -\hat{j}+\hat{k}

 


Option: 4

-\hat{j}+\hat{k}, -\hat{j}+\hat{k}


Answers (1)

best_answer

Direction of proparation \bar{E},\bar{B}\& dirction of proparation are mutually perpendicular to each other

\bar{E}\cdot \bar{B}=EB\cos 90^{o}=0

 

 

Posted by

vishal kumar

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