A plane electromagnetic wave travels in free space along X -direction. If the value of 
(in tesla) at a particular point in space and time is 
, the value of 
(in 
) at that point is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
Here, 
The magnitude of 
is
is along Z -direction and the wave propagates along X -direction. Therefore 
should be in a direction perpendicular to both X and Z axes. Using vector algebra 
should be along X-direction.
Since 
is along the Y -direction.
Thus, 
.
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