Kinematics (AIIMS (All India Institute of Medical Sciences) Physics): Questions 14  17 of 39
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Question number: 14
» 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 

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Question number: 15
» 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 

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Question number: 16
» Kinematics » Scalars and Vectors » Scalar and Vector Products
Appeared in Year: 1998
Assertion (Ꭺ)
The dot product of one vector with another vector may be a scalar or a vector.
Reason (Ꭱ)
If the product of two vectors is a vector quantity, then product is called a dot product.
Choices
Choice (4)  Response  

a.  Ꭺ is false but Ꭱ is true 

b.  Both Ꭺ and Ꭱ are false 

c.  Ꭺ is true but Ꭱ is false 

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

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Question number: 17
» Kinematics » Scalars and Vectors » Scalar Quantity
Appeared in Year: 2000
Assertion (Ꭺ)
A physical quantity can be regarded as a vector, if magnitude as well as direction is associated with it.
Reason (Ꭱ)
A physical quantity can be regarded as a scalar quantity, if it is associated with magnitude only.
Choices
Choice (4)  Response  

a.  Ꭺ is false but Ꭱ is true 

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

c.  Ꭺ is true but Ꭱ is false 

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

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