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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 temperature coefficient of resistance of an alloy used for making resistor is
- In a LCR series circuit, the potential difference between the terminals of the inductor
- When an α-particle of mass m moving with velocity ν bombards on a heavy nucleus
- A tangent galvanometer has a coil of 50 turns and a radius of 20 cm. The horizontal
- Two metal rods 1 and 2 of same lengths have same temperature difference
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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