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Saturday, 31 October

JEE Main 2021 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 4 August 2021, Shift 1, Physics Q30

Question 30 of 90 in this shift, Physics question 30 of 30, Section B.

A parallel beam of light incident on a solid glass sphere of radius 50 cm and refractive index 1.5. The distance of image from the outer edge of sphere is ____________ cm.

Official answer

25

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.