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Light is an electromagnetic wave. ls speed in vacuum is given by the expression (All symbols have their usual meaning)
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a
μ0ε0
b
μ0ε0
c
ε0μ0
d
1μoεo
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Correct option is D
μ0=4π × 10−7, ε0=8.885 × 10−12N−m2C2 So c=1μ0ε0= 3 × 108 m/sSimilar Questions
The velocity of electromagnetic radiation in a medium of permittivity and permeability is given by
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