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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
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- Number of electrons in one mC charge, given e=1.6×10⁻¹⁹ C, will be
- In common base circuit of a transistor, current amplification factor is 0.95.
- The fluctuation in the input voltage of 200 V to a domestic circuit is +10V
- Moment of inertia, along the diameter of a ring is
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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