Kinematics-Scalars and Vectors (AIIMS Physics): Questions 1 - 6 of 12

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 500 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 350.00 or

Question number: 1

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

Question

A force of Equation newton acts on a body and displaces it by Equation 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 Equation and Equation 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 Equation and Equation 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 Equation is perpendicular to Equation

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

f Page
Sign In