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Saturday, 31 October

JEE Main 2021 · PhysicsNumerical answerNumerical valueMediumMulti-step

JEE Main 4 August 2021, Shift 1, Physics Q24

Question 24 of 90 in this shift, Physics question 24 of 30, Section B.

A solid cylinder and a spherical shell of identical mass and radius roll down the same inclined plane without slipping. They start from rest. The ratio of angular velocity of spherical shell to angular velocity of cylinder is 3x\frac{3}{\sqrt{x}} when they reach the ground. The value of x will be ________.

Official answer

10

NTA final key.

Chapter
System of Particles and Rotational Motion
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.