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Electromagnetic waves travel in a medium which has relative permeability 1.3 and relative permittivity 2.14. Then the speed of the electromagnetic wave in the medium will be
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a
13.6×106 m/s
b
1.8×102 m/s
c
3.6×108 m/s
d
1.8×108 m/s
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Correct option is D
v=cμrεr=3×1081.3×2.14=1.8 × 108 m/sSimilar Questions
The velocity of electromagnetic radiation in a medium of permittivity and permeability is given by
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