# Kinematics-Scalars and Vectors (AIIMS (All India Institute of Medical Sciences) Physics): Questions 1 - 6 of 12

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## Question number: 1

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

### Question

A force of newton acts on a body and displaces it by meter. The work done by the force is:

### Choices

Choice (4) Response

a.

12J

b.

19J

c.

10J

d.

25J

## Question number: 2

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

### Question

What happens, when we multiply a vector by (- 2)?

### Choices

Choice (4) Response

a.

Direction reverses and unit changes

b.

Direction remains unchanged and unit changes

c.

Direction reverses and magnitude is doubled

d.

Question does not provide sufficient data or is vague

## Question number: 3

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

### Question

The angle between the two vectors and will be:

### Choices

Choice (4) Response

a.

45°

b.

180°

c.

zero

d.

90°

## Question number: 4

» Kinematics » Scalars and Vectors » Vector Addition and Subtraction

MCQ▾

### Question

Two vectors of equal magnitude have a resultant equal to either of them in magnitude. The angle between them is:

### Choices

Choice (4) Response

a.

120°

b.

90°

c.

105°

d.

60°

## Question number: 5

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

### Question

The vector and are perpendicular to each other. The positive value of a is:

### Choices

Choice (4) Response

a.

zero

b.

2

c.

1

d.

3

## Question number: 6

» Kinematics » Scalars and Vectors » Scalar and Vector Products

Appeared in Year: 2009

Assertion-Reason▾

### Assertion (Ꭺ)

Assertion: Vector is perpendicular to

### Reason (Ꭱ)

Two non-zero vectors are perpendicular if their dot product is equal to zero.

### Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

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