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The angle of a prism is A. One of its refracting surfaces is silvered. Light rays falling at an angle of incidence 2A on the first surface returns back through the same path after suffering reflection at the silvered surface. The refractive index μ, of the prism is
Options
(a) 2 sin A
(b) 2 cos A
(c) 1/2 cos A
(d) tan A
Correct Answer:
2 cos A
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The upper half of an inclined plane of inclination θ is perfectly smooth while lower
- The output of an AND gate is connected to both the inputs of a NOR gate,
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- The escape velocity from the earth is Ve. The escape velocity from a planet
- The distance of a geo-stationary satellite from the centre of the earth is nearest to
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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