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

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
• Free vector C
• None of these D

• 60° A
• 90° B
• 30° C
• 45° D

• 
  A
• 0 B
• 
  C
• 
  D

Which of the following is not a vector quantity ?

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

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

• 3 A
• 4 B
• 5 C
• 6 D

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

• 0 A
• 2 B
• 1 C
• 4 D

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

• 1 A
• 2 B
• 0 C
• None of these D

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

• 0 A
• 2 B
• 3 C
• 1 D

• a A
• b B
• c C
• a + b D

• 
  A
• 
  B
• 0 C
• 1 D

• 0 A
• 1 B
• -1 C
• 2 D

• 
  A
• 
  B
• 
  C
• 
  D

• 0 A
• 2 B
• 3 C
• 1 D

• 0 A
• 1 B
• -1 C
• 2 D

Two vectors are equal if they:

• Pass through the same point A
• Are parallel to each other B
• Are parallel to each other and have same direction C
• Have equal magnitude and have same direction D

• 1 A
• 2 B
• 3 C
• 0 D

The cross product or vector product of two vectors is defined:

• Only in plane A
• Only in space B
• Both a and b C
• None of these D