# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2002 - 2006 of 2184

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## Question number: 2002

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MCQ▾

### Question

A constant torque of 31.4 N-m is exerted on a pivoted wheel. If angular acceleration of wheel is 4π rad/sec 2, then the moment of inertia of the wheel is

### Choices

Choice (4) Response

a.

2.5 kg-m 2

b.

5.5 kg-m 2

c.

1.5 kg-m 2

d.

4.5 kg-m 2

## Question number: 2003

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MCQ▾

### Question

A disc is of mass M and radius R. The moment of inertia of it about an axis tangential to its edge and in polarize of the disc or parallel to its diameter is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2004

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MCQ▾

### Question

Four particles, each of mass m, are placed at the corners of square and moving along a circle of radius r under the influence of mutual gravitational attraction. The speed of each particle will be –

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2005

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MCQ▾

### Question

The radius of gyration of a disc of mass 50 g and radius 2.5 cm, about an axis passing through its center of gravity and perpendicular to the plane is

### Choices

Choice (4) Response

a.

1.76 cm

b.

3.54 cm

c.

0.52 cm

d.

6.54 cm

## Question number: 2006

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MCQ▾

### Question

On a planet (whose size is the same as that of earth and mass 6 times to the earth) the energy needed to lift a 2 kg mass vertically upwards through 4 m distance on the planet is (g = l0 m/sec 2 on the surface of earth) –

### Choices

Choice (4) Response

a.

480 J

b.

470 J

c.

560 J

d.

320 J