| ⇦ | 
| ⇨ |
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: - When the speed of electron beam used in Young’s double slit experiment is increased,
- Three particles A,B and C are thrown from the top of a tower with the same speed.
- A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane
- A tuning fork A produces 4 beats per second with another tuning fork B of frequency
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When the speed of electron beam used in Young’s double slit experiment is increased,
- Three particles A,B and C are thrown from the top of a tower with the same speed.
- A particle starting from the origin (0, 0) moves in a straight line in the (x, y) plane
- A tuning fork A produces 4 beats per second with another tuning fork B of frequency
- Radioactivity of a sample at T₁ time is R₁ and at time T₂ is R₂. If half-life
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