# Rotational Motion-Radius of Gyration (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 5 of 5

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## Question number: 1

» Rotational Motion » Radius of Gyration

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MCQ▾

### Question

The moment of inertia of a sphere of mass M and radius R 2 about an axis passing through its center is -MR. The radius of gyration of the sphere about a parallel axis to the above and tangent to the sphere is,

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 2

» Rotational Motion » Radius of Gyration

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MCQ▾

### Question

Four particles each of mass m are placed at the corners of a square of side length L The radius of gyration of the system about an axis perpendicular to the square and passing through its center is

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 3

» Rotational Motion » Radius of Gyration

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MCQ▾

### Question

The radius of gyration of a disc of mass 80 g and radius 3 cm, about an axis passing through its center of gravity and perpendicular to the plane is

### Choices

Choice (4)Response

a.

2.12 cm

b.

1.76 cm

c.

3.54 cm

d.

6.54 cm

## Question number: 4

» Rotational Motion » Radius of Gyration

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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: 5

» Rotational Motion » Radius of Gyration

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MCQ▾

### Question

The radius of gyration of a disc of mass 200 g and radius 3.2 cm, about an axis passing through its center of gravity and perpendicular to the plane is

### Choices

Choice (4)Response

a.

2.54 cm

b.

1.06 cm

c.

2.26 cm

d.

0.54 cm

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