1. Tardigrade
  2. Question
  3. Physics
  4. The critical angle between an equilateral prism and air is 45°. If the incident ray is perpendicular to the refracting surface, then

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The critical angle between an equilateral prism and air is $45^{\circ}$. If the incident ray is perpendicular to the refracting surface, then

Ray Optics and Optical Instruments

Solution:

Correct answer is (b) It is totally reflected on the second surface and emerges out perpendicularly from third surface in air

Solution Image