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JEE • PHYSICS • SYSTEM OF PARTICLES
System of particles practice · Medium
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Practice format and chapter quiz
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(A): When there is no external torque, moment of inertia of a rotating body changes, its angular momentum remain conserved, but its kinetic energy changes.
(R): Angular momentum does not depend upon moment of inertia of the body.
(R): Angular momentum does not depend upon moment of inertia of the body.
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Correct option: C
(A) is true but (R) is false
Option C ((A) is true but (R) is false) is correct because the assertion is true (angular momentum is conserved, but kinetic energy changes), while the reason is false (angular momentum depends on moment of inertia).
Revision notes and key takeaways
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