# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1963 - 1967 of 2320

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## Question number: 1963

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MCQ▾

### Question

Two discs of the same material and thickness have radii 0.2 m and 0.6 m. Their moments of inertia about their axes will be in the ratio of,

### Choices

Choice (4)Response

a.

1: 3

b.

1: 81

c.

1: 9

d.

1: 27

## Question number: 1964

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MCQ▾

### Question

A circular disc of radius R and thickness has moment of inertia I about an axis passing through its center and perpendicular to its plane. It is melted and recanted into a solid sphere. The moment of inertia of the sphere about one of its diameters as an axis of rotation will be

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1965

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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: 1966

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MCQ▾

### Question

A particle is suspended from a spring and it stretches the spring by 2 cm on the surface of earth. The same particle will stretches the same spring at a place 600 km above earth surface by -

### Choices

Choice (4)Response

a.

1.8 cm

b.

1.67 cm

c.

1.35 cm

d.

0.95 cm

## Question number: 1967

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MCQ▾

### Question

If the radius of the earth were to shrink by one percent its mass remaining the same, the acceleration due to gravity on the earth’s surface would -

### Choices

Choice (4)Response

a.

Remain unchanged

b.

Increase

c.

Decrease

d.

None of the above

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