KinematicsScalars 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
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
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
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
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
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 (Ꭺ)
Assertion: Vector is perpendicular to
Reason (Ꭱ)
Two nonzero 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 
