12th class Mathematics chapter 7 online mcq test with answers for Fa part 2 Mathematics Chapter 7 (Vectors)

• Scalar quantity A
• 
  B
• 
  C
• Reciprocal vector D

• 1 A
• 2 B
• 3 C
• 0 D

• Position vector A
• Null vector B
• Unit vector C
• None of these D

• Volume of the tetrahedron A
• Volume of the parallelepiped B
• Volume of the triangle C
• None of these D

• 0 A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 0 C
• 1 D

A unit vector is defined as a vector whose magnitude is:

• 0 A
• 2 B
• 1 C
• 4 D

Which of the following is not a vector quantity ?

• Weight A
• Mass B
• Force C
• Velocity D

• 
  A
• 0 B
• 
  C
• 
  D

• 0 A
• 1 B
• -1 C
• 2 D

A null vector is defined as a vector whose magnitude is:

• 1 A
• 2 B
• 0 C
• None of these D

Zero vector is perpendicular to:

• Every vector A
• Unit vector only B
• Position vector only C
• Not any vector D

Which are the following triples can be direction angles of a single vector:

• 45°,45°,60° A
• 30°,45°,60° B
• 45°,60°,60° C
• 30°,30°,30° D

• 90° A
• 30° B
• 60° C
• 0° D

• 0 A
• 2 B
• 3 C
• 1 D

i.(j.k) =

• Meaningless A
• -1 B
• 1 C
• 2 D

• [0] A
• [0, 0] B
• [0, 0, 0] C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D

Which of the following is a vector quantity ?

• Work A
• Temperature B
• Distance C
• Displacement D

If 2 and 2 are x and y-components of a vector, then its angle with x-axis is:

• 30° A
• 45° B
• 60° C
• 90° D