NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2021 - 2025 of 2320

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Question number: 2021

» Rotational Motion » Moment of Inertia

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Moment of inertia of a disc about its own axis is I. its moment of inertia about a tangential axis in its plane is

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2022

» Rotational Motion » Values of Moments of Inertia

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A constant torque of 3.6 N-m is exerted on a pivoted wheel. If angular acceleration of wheel is rad/sec 2, then the moment of inertia of the wheel is

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Choice (4)Response

a.

2.5 kg-m 3

b.

0.6 kg-m 2

c.

1.21 kg-m 2

d.

2.5 kg-m 2

Question number: 2023

» Rotational Motion » Angular Momentum

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An inclined plane makes an angle 45° with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to,

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Choice (4)Response

a.

b.

c.

d.

Question number: 2024

» Rotational Motion » Moment of Inertia

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Four thin rods of same mass M and same length l form a square as shown in figure. Moment of inertia of this system about an axis through center O and perpendicular to its plane is,

Arrangement of four rod - mass M and same length l

Arrangement of Four Rod - Mass M and Same Length L

In above fig we shows four thin rods of same mass M and same length l, form a square

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 2025

» Rotational Motion » Concepts of Rotational Motion

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A disc is rolling (without slipping) on a horizontal surface. C is its centre and Q and P are two points equidistant from C. Let V P, V Q and V C be the magnitude of velocities of points P, Q and C respectively, then

Disc rolling on a horizontal surface point P and Q.

Disc Rolling on a Horizontal Surface Point P and Q.

In above figure we shows that disc is rolling on a horizontal surface, C is center of P and Q point.

Choices

Choice (4)Response

a.

b.

c.

d.

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