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JEE Main Physics Class 11 System of Particles and Rotational Motion Part 1 Questions

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Question : 70

Total: 100

This question has Statement land Statement 2 . Of the four choices given after the Statements, choose the one that best describes the two Statements.
Statement 1: When moment of inertia I of a body rotating about an axis with angular speed ω increases, its angular momentum L is unchanged but the kinetic energy K increases if there is no torque applied on it.
Statement 2: L=Iω, kinetic energy of rotation =

[Online May 12, 2012]

Statement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation of Statement 1.
Statement 1 is false, Statement 2 is true.
Statement 1 is true, Statement 2 is true, Statement 2 is correct explanation of the Statement 1
Statement 1 is true, Statement 2 is false.

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