Difference Between Scalar and Vector

Difference Between Scalar and Vector

Usually, both these terms sound the same, but there is a difference between scalar and vector quantities. Both these quantities are used to represent the motion of an object.

Difference Between Scalar and Vector

A scalar quantity is different from a vector quantity in terms of direction. Scalars don’t have direction whereas vector has. Due to this, the scalar quantity can be said to be represented in one dimensional whereas a vector quantity can be multi-dimensional. From the table given below, let us learn more differences between scalars and vectors.

Difference Between Scalar and Vector
Scalar Vector
It has only magnitude It has direction and magnitude
Only one dimensional It is multi dimensional
This quantity changes with the change in magnitude This changes with magnitude and direction
Normal rules of algebra are applicable here There is different set of rules known as vector algebra
One scalar quantity can divide another scalar One vector cannot divide another vector
In example of speed, time etc, the distance between the points is scalar quantity not the direction Velocity could be an example because it is measurement of the rate of change of an object’s position

These were some difference between Scalar and Vector. If you wish to find out more, download BYJU’S The Learning App.

Practise This Question

The intensity of light I1 received by the emitter plate in Lenard's photoelectric set-up is changed by moving the source to twice the initial distance. What is the new intensity I2 received by the emitter plate? 

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