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Saturday, 31 October

JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyRecall

JEE Main 27 January 2024, Shift 1, Physics Q49

Question 49 of 90 in this shift, Physics question 19 of 30, Section A.

Identify the physical quantity that cannot be measured using spherometer :
  1. (1)Radius of curvature of convex surface
  2. (2)Thickness of thin plates
  3. (3)Specific rotation of liquidsOfficial answer
  4. (4)Radius of curvature of concave surface

Official answer

Option 3

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.