| ⇦ | 
| ⇨ |
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: - A particle moving in a straight line covers half the distance with speed of 3 m/s
- Two particles are oscillating along the same line with the same frequency
- A ball is moving in a circular path of radius 5 m.If tangential acceleration
- A photon of energy 10.2 eV collide inelastically with hydrogen atom in ground state
- If by mistake voltmeter is connected in series and ammeter in parallel then
Topics: Wave Optics
(101)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle moving in a straight line covers half the distance with speed of 3 m/s
- Two particles are oscillating along the same line with the same frequency
- A ball is moving in a circular path of radius 5 m.If tangential acceleration
- A photon of energy 10.2 eV collide inelastically with hydrogen atom in ground state
- If by mistake voltmeter is connected in series and ammeter in parallel then
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