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Byju's Answer
Standard XII
Physics
Sound Wave:Displacement Equation
The velocity ...
Question
The velocity of electromagnetic wave is parallel to:
A
→
B
×
→
E
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B
→
E
×
→
B
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C
→
E
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D
→
B
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Solution
The correct option is
B
→
E
×
→
B
According to poynting theorem, direction of wave is given by:
^
S
=
^
E
×
^
B
or velocity of em wave is parallel to
→
E
×
→
B
Suggest Corrections
2
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