Which of the following is not a vector quantity?

Category: QuestionsWhich of the following is not a vector quantity?
Editor">Editor Staff asked 11 months ago

Which of the following is not a vector quantity?
 
(a) Speed
 
(b) Density
 
(c) Force
 
(d) Velocity
 
The question was posed to me during a job interview.
 
Question is taken from Vector Algebra Basics topic in division Vector Algebra of Mathematics – Class 12
NCERT Solutions for Subject Clas 12 Math Select the correct answer from above options 
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1 Answers
Editor">Editor Staff answered 11 months ago

The correct choice is (b) Density
 
For explanation: Density is a scalar quantity as it has only magnitude but no direction. Speed, force, velocity has both magnitude and direction. Therefore, they all are vectors.