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Solution


Q.

In an electromagnetic wave, at an instant and at a particular position, the electric field is along the negative z-axis and magnetic field is along the positive x-axis. Then the direction of propagation of electromagnetic wave is           [2023]
1 at 45° angle from positive y-axis  
2 negative y-axis  
3 positive z-axis  
4 positive y-axis  

Ans.

(2)

Direction of propagation of EM wave will be in the direction of E→×B→.