| ⇦ | 
| ⇨ |
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: - The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The kirchoff’s first law (∑i=0) and second law (∑iR=∑E), where the symbols
- A thin wire of resistance 4 ohm is bent to form a circle. The resistance across
- The temperature coefficient of the resistance of a wire is 0.00125 per ⁰C.
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- The current in a self-inductance L=40 mH is to be increased uniformly from 1A to 11 A
Topics: Wave Optics (101)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply