# NEET Physics: Questions 330 - 334 of 2142

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## Question number: 330

MCQ▾

### Question

A particle performs uniform circular motion with an angular momentum L. If the frequency of a particle’s motion is doubled and its kinetic energy is halved, the angular momentum becomes.

### Choices

Choice (4) Response

a.

L/2

b.

4 L

c.

L/4

d.

2 L

## Question number: 331

MCQ▾

### Question

A car is moving in a circular path of radius 50 m with velocity of 100 m/sec such that in each sec its velocity increases by 100 m/s, the net acceleration of car will be - (in m/sec)

### Choices

Choice (4) Response

a.

300.10

b.

10.70

c.

100.20

d.

223.60

## Question number: 332

MCQ▾

### Question

4 charge q is placed at the center of a cube. Then the flux passing through one face of cube will be

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 333

MCQ▾

### Question

An aircraft loops the loop of radius R = 600 m with a constant velocity v = 360 km/h. The weight of the flyer of mass m = 60 kg in the lower, upper and middle points of the loop will respectively be

### Choices

Choice (4) Response

a.

210 N, 700 N, 1400 N

b.

1600 N, 400 N, 1000 N

c.

700 N, 1400 N, 210 N

d.

2100 N, 700 N, 1400 N

## Question number: 334

MCQ▾

### Question

A simple pendulum has a time period T. The bob is now given some positive charge -

(1) If some positive charge is placed at the point of suspension, T will increases

(2) If some positive charge is placed at the point of suspension, T will not change

(3) If a uniform downward electric field is switched on, T will increase

(4) If a uniform downward electric field is switched on, T will decrease

Select the correct answers and mark it according to the following codes:

### Choices

Choice (4) Response

a.

1 and 3

b.

1 and 2

c.

1, 2 and 3

d.

2 and 4

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