# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 273 - 277 of 2247

Access detailed explanations (illustrated with images and videos) to 2247 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 550.00 or

How to register?

## Question number: 273

Edit
MCQ▾

### Question

A body of mass 2 kg is moving along x-defection with a velocity of 2 m/sec. If a force of 4 N is applied on it along y-direction for 1 sec, the final velocity of particle will be -

### Choices

Choice (4) Response

a.

1/2√2 m/s

b.

2√2 m/s

c.

√2m/s

d.

1/√2 m/s

## Question number: 274

Edit
MCQ▾

### Question

A force of () N acted on a body of mass 20 kg. The displacement after 20 sec, if it starts from rest, will be -

### Choices

Choice (4) Response

a.

500 m along with x axis

b.

200 m along with x axis

c.

100 m along with x axis

d.

All of the above

## Question number: 275

Edit
MCQ▾

### Question

A particle A has charge +q and a particle B has charge +4q with each of them having the same mass m. When allowed to fall from rest through the same electric potential difference, the ratio of their speed will become

### Choices

Choice (4) Response

a.

4: 1

b.

1: 2

c.

1: 4

d.

2: 1

## Question number: 276

Edit
MCQ▾

### Question

Find the torque of a force F =- i + 2 j + 3 k acting at the point r = i + 3 j + 5k

### Choices

Choice (4) Response

a.

-i - 8j + 5k

b.

7i - 19j + 19k

c.

14i - 38j + 16k

d.

-21i + 3j + 5k

## Question number: 277

Edit
MCQ▾

### Question

A cricket ball of mass 200 g is moving with a velocity of 12m/sec and is hit by a bat so that the ball is turned back with a velocity of 24 m/sec; the force on the ball acts for 0.5 sec, then the average force exerted by the bat on the ball will be

### Choices

Choice (4) Response

a.

480 N

b.

400 N

c.

4.8 N

d.

40 N

Developed by: