2nd Year Mathematics Chapter 7 Online MCQ Test for 12th Class Mathematics Unit 7 (Vectors)

i.(j.k) =

• Meaningless A
• -1 B
• 1 C
• 2 D

Which of the following is not a vector quantity ?

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

• 2 - 7 A
• 2 + 7 B
• 
  C
• 
  D

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

• 1 A
• 2 B
• 0 C
• None of these D

• 60° A
• 90° B
• 30° C
• 45° D

• 0 A
• 1 B
• -1 C
• 2 D

• 
  A
• 0 B
• 
  C
• 
  D

If any two vectors of scalar triple product are equal, then its value is equal to:

• 0 A
• 1 B
• -1 C
• 2 D

• x - axis A
• z - axis B
• y - axis C
• None of these D

• 
  A
• 
  B
• 
  C
• 
  D

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

• 3 A
• 4 B
• 5 C
• 6 D

The law of parallelogram of addition was used by Aristotle to describe the combined action of :

• One force A
• Two forces B
• Three forces C
• Four forces D

A scalar quantity is one that possesses only :

• Magnitude A
• Direction B
• Both a and b C
• None of these D

• 
  A
• 
  B
• 0 C
• 1 D

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

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

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

• 0 A
• 2 B
• 1 C
• 4 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

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