Zero vector is perpendicular to:

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

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

• 
  A
• 
  B
• 0 C
• 1 D

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

• 0 A
• -1 B
• 1 C
• 2 D

A scalar quantity is one that possesses only :

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

i.(j.k) =

• Meaningless A
• -1 B
• 1 C
• 2 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

• 0 A
• 2 B
• 3 C
• 1 D

• 3 A
• 4 B
• 5 C
• 6 D

• 0 A
• 
  B
• 
  C
• 
  D

• 
  A
• 
  B
• 
  C
• 
  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

• Scalar A
• Free vector B
• Unit vector C
• Null vector D

• 0 A
• 1 B
• -1 C
• 2 D

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

Which of the following is a vector quantity ?

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

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