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The velocity of electromagnetic radiation in a medium of permittivity ε₀ and permeability μ₀ is given by
Options
(a) √(ε₀ / μ₀)
(b) √(μ₀ ε₀)
(c) 1 / √(μ₀ ε₀)
(d) √(μ₀ / ε₀)
Correct Answer:
1 / √(μ₀ ε₀)
Explanation:
The velocity of electromagnetic radiation in a medium of permittivity ε₀ and permeability μ₀ is equal to 1 / √(μ₀ ε₀).
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Water flows through a pipe. The area of cross-section at one place A₁=10 cm²,
- A current of 5 A is passing through a metallic wire of cross-sectional area 4×10⁻⁶ m².
- If the radius of star is R and it acts as a black body, what would be the temperature
- A spring when stretched by 2mm containing energy 4 J. If it is stretched
- What is the voltage gain in a common-emiiter amplifier, when input resistance is 4 Ω
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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