# NEET Physics: Questions 39 - 43 of 2142

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## Question number: 39

MCQ▾

### Question

Which of the following pairs have same dimensions?

### Choices

Choice (4) Response

a.

Torque and work

b.

Light year and wavelength

c.

Energy and Young’s modulus

d.

Both a. and b. are correct

## Question number: 40

MCQ▾

### Question

A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is

### Choices

Choice (4) Response

a.

East-north direction

b.

West-north direction

c.

South-east direction

d.

All of the above

## Question number: 41

MCQ▾

### Question

A small block slides without friction down an inclined plane starting from rest. Let Sn be the distance travelled from time t = n – 1 to t = n. then

is

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 42

MCQ▾

### Question

If 97.52 is divided by 2.54, the correct result in terms of significant figures is

### Choices

Choice (4) Response

a.

38.4

b.

38.39

c.

38.394

d.

38.937

## Question number: 43

MCQ▾

### Question

In the context of accuracy of measurement and significant figures in expressing results of experiment, which of the following is/are correct?

1. Out of the two measurements 50.14 cm and 0.00025 ampere, the first one has greater accuracy
2. Out of the two measurements 50.14 cm and 0.00025 ampere, the second has greater accuracy
3. If one travels 697 m by rail and 478 km by road, the total distance is 478.697 km.
4. If one travels 478 km by rail and 397 m by road, the total distance travelled is 875 km.

### Choices

Choice (4) Response

a.

1 and 3

b.

1 and 2

c.

2 and 4

d.

1, 2, 3

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