A plane electromagnetic wave of frequency 20 MHz propagates in free space along x-direction. At a particular space and time 
. What is 
at this point?
A
2.2 x 10 -8 
T
T
B
-2.2 x 10 -8 
T
T
C
-2.2 x 10 -8 
T
T
D
2.2 x 10 -8 
T
T
Text Solution
Verified by ExpertsThe correct answer is:
A
It is given that
The relation between the electric, magnetic field and speed of light is 
Clearly, 
Using the relation,
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