jee_main_2025_04_april_evening - Electromagnetic Waves Topics

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QUESTION #23 Velocity of EM Waves
If an optical medium possesses a relative permeability of (10)/(pi) and relative permittivity of (1)/(0.0885), then the velocity of light is greater in vacuum than that in this medium by ________ times. (μ₀ = 4π × 10⁻⁷ H / m, ε₀ = 8.85 × 10⁻¹² F / m, c = 3 × 10⁸ m / s)
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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