Foundation
Physics Foundation
Refraction and parallel slab
Question

In the diagram, the correctly marked angles are ____________

 

∠i , ∠r and ∠e

∠r and ∠e

∠i and ∠r

∠i and ∠e

JEE Advance
College PredictorLive

Know your College Admission Chances Based on your Rank/Percentile, Category and Home State.

Get your JEE Main Personalised Report with Top Predicted Colleges in JoSA

Solution

All the angles should be taken from the normal to the ray. So in the figure only i and r angles are marked with the normal and hence correct.
Angle e is marked between the ray and the interface boundary so it is incorrect.

Lock Image

Please subscribe our Youtube channel to unlock this solution.