chapter 2 physics class 11

Which of the following is a vector quantity

• energy

• power

• work

• momentum

A scalar quantity is can be described by:

• Magnitude

• unit

• Magnitude and unit

• Number

Which of the following is a scalar quantity?

• Force

• Velocity

• Temperature

• Acceleration

What is the SI unit of work?

• Joule

• Newton

• Watt

• Pascal

Which of the following is a vector quantity?

• Pressure

• Distance

• Velocity

• Time

Null vector has zero magnitude and

• Arbitrary direction

• No direction

• specific direction

• opposite direction

A vector having magnitude one is

• Null vector

• unit vector

• resultant vector

• position vector

The splitting up of a vector into its components is called:

• Sum of vector

• Subtraction of vector

• Resolution of a vector

• none of these

The sum two equal and opposite vectors is called

• Equal vector

• opposoite vector

• Null vector

• unequal vector

The angle between two rectangle components of a vector is :

• 180 degrees

• 90 degrees

• 270 degrees

• 0 degrees