Published by:
CGP EDU Academic Team
Published on: August 21, 2026
A light ray from air is incident (as shown in figure) at one end of a glass fibre (refractive index, 
) making an incidence angle of 
on the lateral surface, so that it undergoes a total internal reflection. How much time would it take to traverse the straight fibre of length 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
No detailed text explanation provided yet.
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
Physics
A capacitor of capacitance is connected as shown in the figure. The internal resistance of…
The work done in increasing the size of a soap film from to is . The surface tension of film is
In an circuit, inductance is changed from to . To keep the same resonance frequency, should be …
Output is given by
A particle moving with uniform acceleration has average velocities and over the successive interv…
The density of a solid ball is to be determined in an experiment. The diameter of the ball is measu…