Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is

Time Taken By Light To Cross A Glass Slab Of Physics Question

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:

  1. A n-p-n transistor is connected in common emitter configuration in a given amplifier.
  2. Radius of a soap bubble is increased from R to 2R. Work done in this process
  3. The voltage of clouds is 4×10⁶ volt with respect to ground. In a lightening
  4. Radius of orbit of satellite of earth is R. Its kinetic energy is proportional to
  5. A potentiometer wire of length L and a resistance r are connected in series with

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*