(English Medium) ICSE Class 9 - CISCE Question Bank Solutions for Physics

What do you mean by a vector quantity?

Is mass a vector quantity?

How is a vector represented?

A book is lying in an almirah. Is it at rest or in motion?

What do you mean by motion?

Are rest and motion relative?

Out of force and energy, which one is vector?

Give two examples of scalars.

Different positions of a body are given below. Which of the two positions lie on the same straight line?
(i) 8 m, 60^o NE
(ii) 3 m, 60^o NE
(iii) 5 m, 60^o EN
(iv) 5 m, 60^o NW

A quantity can be represented only when its magnitude and direction are specified. Is it scalar or vector?

Are the passengers sitting in a train in motion or at rest with respect to each other?

You are at rest as well as in motion. Justify the statement giving your point of view.

A train is moving out of a railway station. Is the platform at rest or in motion with respect to the moving train? Justify your answer.

Name the physical quantity representing the magnitude and its direction.

Answer the following question:
Can we add two scalars?

Answer the following question:
Can we add two vectors?

Answer the following question:
Can we multiply two scalars?

Answer the following question:
Can we add a scalar quantity to a vector quantity?

Answer the following question:
Can we subtract two scalars?

Answer the following question:
Can we subtract a scalar quantity from a vector quantity? Is the reverse true?