Velocity of Light Ratio (Jee Mains) | ExamDuo
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Alternating Currents
Medium
Velocity of Light Ratio
If an optical medium possesses a relative permeability of
and relative permittivity of
, then the velocity of light is greater in vacuum than that in this medium by ______ times.
(μ
0
= 4π × 10
–7
H/m, ∈
0
= 8.85 × 10
–12
F/m, c = 3 × 10
8
m/s)
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and relative permittivity of 
, then the velocity of light is greater in vacuum than that in this medium by ______ times.