Magnetic Effects of Current and Magnetism Part 3
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Question : 11 of 28
Marks:
+1,
-0
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 = 4 π × 10 − 7 H ∕ m , ∈ 0 = 8.85 × 10 − 12 F ∕ m , .
c = 3 × 10 8 m ∕ s )
[4 Apr 2025 Shift 2]
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