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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
Related Questions: - Zenor breakdown will occur if
- An ideal gas is expanding such that PT²=constant. The coefficient of volume
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- The energy of the em waves is of the order of 15 keV. To which part of the spectrum
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Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Zenor breakdown will occur if
- An ideal gas is expanding such that PT²=constant. The coefficient of volume
- Imagine a light planet revolving around a very massive star in a circular
- The energy of the em waves is of the order of 15 keV. To which part of the spectrum
- A transformer rated at 10 kW is used to connect a 5 kV transmission line to a 240 V
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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