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Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is
Options
(a) 4×10⁻¹¹ sec
(b) 2×10⁻¹¹ sec
(c) 16×10⁻¹¹ sec
(d) 8×10⁻¹¹ sec
Correct Answer:
4×10⁻¹¹ sec
Explanation:
t = μx / c = (3 × 4 × 10⁻³) / (3 × 10⁸) = 4 x 10⁻¹¹ sec
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The energy released by the fission of one uranium atom is 200 MeV.
- The electric field part of an electromagnetic wave in a medium is represented by
- A man of 50 kg mass is standing in a gravity free space at a height
- Two identical charges repel each other with a force equal to 10 mgwt they are 0.6 m
- A simple pendulum has a time period T₁ when on the earth’s surface and T₂ When taken
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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