A) downward
B) east
C) north
D) south
Correct Answer: B
Solution :
As the electromagnetic wave is the crossed field of electric and magnetic waves. So, the direction of propagation of EM wave is the direction of vector \[E\times B\] Here E is upward and \[(E\times B)\] is towards north. So, from right hand thumb rule B will be along east.You need to login to perform this action.
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