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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumCalculation

JEE Main 29 July 2022, Shift 2, Physics Q50

Question 50 of 90 in this shift, Physics question 20 of 30, Section A.

Light enters from air into a given medium at an angle of 45∘45^\circ with interface of the air-medium surface. After refraction, the light ray is deviated through an angle of 15∘15^\circ from its original direction. The refractive index of the medium is :
  1. (1)1.732
  2. (2)1.333
  3. (3)1.414Official answer
  4. (4)2.732

Official answer

Option 3

NTA final key.

Chapter
Ray Optics and Optical Instruments
Topic
Refraction and Snell's Law
Idea tested
Deviation at a Single Interface

Same topic in other shifts

All Refraction and Snell's Law questions
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  6. 7 Apr 2025, Shift 2 · Q42A transparent block A having refractive index μ=1.25\mu=1.25 is surrounded by another medium of refractive index μ=1.0\mu=1.0 as shown in figure.…MediumSingle correctHas a figure

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.