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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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- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
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Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a n-p-n transistor about 10¹⁰ electrons enter the emitter in 2 μs,
- In an L-C-R series resonant circuit, the capacitance is changed from C to 4C.
- The number of photons of wavelength of 540 nm emitted per second by an electric bulb
- A body of mass 4 kg is accelerated upon by a constant force travels
- A boy whirls a stone in a horizontal circle of radius 1.5 m and at height 2.0 m
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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