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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 11 April 2023, Shift 2, Physics Q43

Question 43 of 90 in this shift, Physics question 13 of 30, Section A.

When one light ray is reflected from a plane mirror with 30∘30^\circ angle of reflection, the angle of deviation of the ray after reflection is:
  1. (1)110∘110^\circ
  2. (2)120∘120^\circOfficial answer
  3. (3)130∘130^\circ
  4. (4)140∘140^\circ

Official answer

Option 2

NTA final key.

Chapter
Ray Optics and Optical Instruments
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.