# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 376 - 379 of 2184

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## Question number: 376

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MCQ▾

### Question

A force of () N acted on a body of mass 10 kg. The displacement after 10 sec, if it starts from rest, will be -

### Choices

Choice (4) Response

a.

70 m along with x axis

b.

10 m along with x axis

c.

50 m along with x axis

d.

All of the above

## Question number: 377

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MCQ▾

### Question

The roadway bridge over a canal is the form of an arc of a circle of radius 10 m. What is the minimum speed with which a car can cross the bridge without leaving contact with the ground at the highest point (g = 9.8 m/s 2)

### Choices

Choice (4) Response

a.

5.76 m/s

b.

9.899 m/s

c.

7.556 m/s

d.

14.654 m/s

## Question number: 378

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MCQ▾

### Question

An electric dipole has the magnitude of its charge is q and its dipole moment is p. It is placed in a uniform electric field E. If its dipole moment is perpendicular to the direction of the field, the force on it and its potential energy are respectively

### Choices

Choice (4) Response

a.

q. E and

b.

q. E and

c.

are zero

d.

2q. E and minimum

## Question number: 379

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MCQ▾

### Question

Two rigid bodies A and B rotate with rotational kinetic energies E A and E B respectively. The moments of inertia of A and B about the axis of rotation are I A and I B respectively. If I A = I B /8 and E A = 50 E B, the ratio of angular momentum (L A) of A to the angular momentum (L B) of B is

### Choices

Choice (4) Response

a.

0. . 25

b.

2.5

c.

5

d.

1.25