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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumConceptual

JEE Main 25 June 2022, Shift 2, Physics Q45

Question 45 of 90 in this shift, Physics question 15 of 30, Section A.

A light whose electric field vectors are completely removed by using a good polaroid, allowed to incident on the surface of the prism at Brewster’s angle. Choose the most suitable option for the phenomenon related to the prism.
  1. (1)Reflected and refracted rays will be perpendicular to each other.
  2. (2)Wave will propagate along the surface of prism.
  3. (3)No refraction, and there will be total reflection of light.
  4. (4)No reflection. and there will be total transmission of light.Official answer

Official answer

Option 4

NTA final key.

Chapter
Wave Optics
Topic
Polarization
Idea tested
Brewster's Angle

Same idea in other shifts

Asked 3× in all
  1. 31 Jan 2024, Shift 2 · Q45When unpolarized light is incident at an angle of 60∘60^\circ on a transparent medium from air, the reflected ray is completely polarized.…EasySingle correct
  2. 3 Aug 2021, Shift 1 · Q16A beam of light is incident on the surface of a transparent liquid at an angle of 60°. The reflected and refracted lights are found to be…EasySingle correct

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.