1

JEE Main 2021 (Online) 31st August Morning Shift

MCQ (Single Correct Answer)

+4

-1

Angular momentum of a single particle moving with constant speed along circular path :

2

JEE Main 2021 (Online) 27th August Evening Shift

MCQ (Single Correct Answer)

+4

-1

Two discs have moments of inertia I

_{1}and I_{2}about their respective axes perpendicular to the plane and passing through the centre. They are rotating with angular speeds, $$\omega$$_{1}and $$\omega$$_{2}respectively and are brought into contact face to face with their axes of rotation coaxial. The loss in kinetic energy of the system in the process is given by :3

JEE Main 2021 (Online) 27th August Morning Shift

MCQ (Single Correct Answer)

+4

-1

Moment of inertia of a square plate of side l about the axis passing through one of the corner and perpendicular to the plane of square plate is given by :

4

JEE Main 2021 (Online) 26th August Evening Shift

MCQ (Single Correct Answer)

+4

-1

The solid cylinder of length 80 cm and mass M has a radius of 20 cm. Calculate the density of the material used if the moment of inertia of the cylinder about an axis CD parallel to AB as shown in figure is 2.7 kg m

^{2}.Questions Asked from Rotational Motion (MCQ (Single Correct Answer))

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