# NEET Physics: Questions 151 - 155 of 2142

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 2142 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 550.00 or

## Question number: 151

MCQ▾

### Question

A cane filled with water is revolved in a vertical circle of radius 4 m and water just does not fall down. The time period of revolution will be -

### Choices

Choice (4) Response

a.

1 s

b.

4 s

c.

8 s

d.

10 s

## Question number: 152

MCQ▾

### Question

The path followed by a body projected along y axis is given by y = √3 x - (1/2) x2. If g = 10 m/s2, then the initial velocity of projectile will be - (x and y are in m)

### Choices

Choice (4) Response

a.

10 √3 m/s

b.

10 √2 m/s

c.

2 √10 m/s

d.

3 √10 m/s

## Question number: 153

MCQ▾

### Question

A body of mass 4 kg lying on a smooth surface is attached to a string 6 m long and then whirled round in a horizontal circle making 60 revolution per minute. The centripetal acceleration will be

### Choices

Choice (4) Response

a.

23.68 m/s 2

b.

236.6 m/s 2

c.

1.18 m/s 2

d.

2.368 m/s 2

## Question number: 154

MCQ▾

### Question

The length of second’s hand in a watch is 1 cm. The change in velocity of its tip in 15 second is –

### Choices

Choice (4) Response

a.

b.

c.

d.

0

## Question number: 155

MCQ▾

### Question

Rishabh and Bappy are playing with two different balls of masses m and 2m respectively. If Rishabh throws his ball vertically up and Bappy at an angle 0, both of them stay in our view for the same period. The heights attained by the two balls are in the ratio of

### Choices

Choice (4) Response

a.

1: 1

b.

2: 1

c.

1: sec 0

d.

1: cos 9

f Page