# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 2051 - 2054 of 2320

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## Question number: 2051

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MCQ▾

### Question

Moment of inertia of a ring of mass m = 10 gm and radius r = 5 cm about an axis passing through its edge and parallel to its natural axis is

### Choices

Choice (4)Response

a.

500 gm-cm 2

b.

1 gm-cm 2

c.

8 gm-cm 2

d.

10 gm-cm 2

## Question number: 2052

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MCQ▾

### Question

Moment of inertia of a disc about its own axis is 6I its moment of inertia about a tangential axis in its plane is

### Choices

Choice (4)Response

a.

b.

12 I

c.

d.

## Question number: 2053

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Assertion-Reason▾

### Assertion (Ꭺ)

Two cylinders, one hollow (metal) and the other solid (wood) with the same mass and identical dimensions are simultaneously allowed to roll without slipping down an inclined plane from the same height. The hollow cylinder will reach the bottom of the inclined plane first.

### Reason (Ꭱ)

By the principle of conservation of energy. The total kinetic energies of both the cylinders are identical when they reach the bottom of the incline.

### Choices

Choice (4)Response

a.

Ꭺ is true but Ꭱ is false

b.

Ꭺ is false but Ꭱ is true

c.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

## Question number: 2054

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MCQ▾

### Question

A solid cylinder of mass M and radius R rolls without slipping down an inclined plane of length l and height h. Find the time it takes to reach at bottom.

### Choices

Choice (4)Response

a.

b.

c.

d.

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