# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 1968 - 1972 of 2320

Access detailed explanations (illustrated with images and videos) to 2320 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Unlimited Access for Unlimited Time! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

## Question number: 1968

Edit
MCQ▾

### Question

The radius of the earth is R e and the acceleration due to gravity at its surface is g. The work required in raising a body of mass m to a height h form the surface of the earth will be,

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1969

Edit
MCQ▾

### Question

Moment of inertia of a ring of mass M = 3 gm and radius R = 1 cm about an axis passing through its edge and parallel to its natural axis is,

### Choices

Choice (4)Response

a.

100 gm-cm 2

b.

1 gm-cm 2

c.

10 gm-cm 2

d.

6 gm-cm 2

## Question number: 1970

Edit
MCQ▾

### Question

A long rod has a mass of 0.10 kg and length of 200 cm. The moment of inertia about an axis passing through the center and perpendicular to the length of rod will be,

### Choices

Choice (4)Response

a.

0.0025 kg-m 2

b.

0.033 kg-m 2

c.

0.025 kg-m 2

d.

0.0033 kg-m 2

## Question number: 1971

Edit
MCQ▾

### Question

Three rods each of length L and mass M are placed along X, Y and Z axis in such a way that one end of each of the rod is at the origin. The moment of inertia of this system about Z axis is,

### Choices

Choice (4)Response

a.

b.

c.

d.

## Question number: 1972

Edit
MCQ▾

### Question

With what velocity must a body be thrown upward form the surface of the earth so that it reaches a height of 7 Re? Earth’s mass M = 6 ⨯ 10 24 kg, radius R e = 6.4 ⨯ 10 6 m and G = 6.67 ⨯ 10 -11 N-m 2 /kg 2.

### Choices

Choice (4)Response

a.

b.

c.

d.

Developed by: