Test SeriesFree PYQsExamsPricing

JEE Main 2017 Physics question

PhysicsSystems of Particles and Rotational MotionJEE Main 2017

The moment of inertia of a uniform cylinder of length l and radius R about its perpendicular bisector is I. What is the ratio l/R such that the moment of inertia is minimum ?

Answer: (A)

Solution

with volume fixed, so .

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-008942