If an optical medium possesses a relative permeability of 10 and relative permittivity of 1 0.0885 , then the velocity of light is greater in vacuum than that in this medium by ________ times. ( ₀=4 10⁻⁷ H / m , ₀=8.85 10⁻¹² ~F / m . . c =3 10^8 ~m / s )

Step-by-step solution

Since velocity of light in terms of & E is aligned & V= 1 = 1 ₀ _r 1 ₀ _r & = 1 _ r _ r 1 ₀ ₀ & = C _ r _ r = C 10 1 0.0885 & = C 36 = C 6 aligned aligned V & = C 6 C & =6 ~V aligned Velocity of light in vacuum is greater by 6 times the velocity of light in medium Answer is 6