# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 927 - 931 of 2247

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## Question number: 927

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MCQ▾

### Question

Three equal weights of mass m each are hanging on a string passing over a fixed pulley as shown in fig. The tensions in the string connecting weights A to B and B to C will respectively be - Three Equal Weights of Mass M Each Are Hanging on a String Pulley with 3 weights on the string

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 928

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MCQ▾

### Question

The power output of a 92 U 235 reactor if it takes 30 days to use up 2 kg of fuel and if each fission gives 185 MeV of energy (Avogadro number = 6 x 10 23 /mole) will be –

### Choices

Choice (4) Response

a.

5.84 MW

b.

584 W

c.

58.4 MW

d.

5840 MW

## Question number: 929

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MCQ▾

### Question

A force F = (7 - 2x + 3x 2) N is applied on a 2 kg mass which displaces it from x = 0 to x = 2 m. Work done in joule is -

### Choices

Choice (4) Response

a.

13

b.

7

c.

2

d.

3

## Question number: 930

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MCQ▾

### Question

Inelastic collision is the-

### Choices

Choice (4) Response

a.

Collision of ideal gas molecules with the walls of the container

b.

collision of electron and positron to an annihilate each other.

c.

collision of two rigid solid spheres lying on a frictionless table

d.

scattering of a-particles with the nucleus of gold atom

## Question number: 931

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MCQ▾

### Question

Block A weighs 6 N and block B weighs 4 N. The coefficient of kinetic friction is 0.25 for all surfaces. find the force F to slide B at a constant speed when A is held at rest.

### Choices

Choice (4) Response

a.

2N

b.

3.5N

c.

1N

d.

4N

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