What is difference between multiplying a vector by a real number and a scalar ?

What is the difference between a polar wector and an axial vector ?

What is the difference between scalar addition and vector addition ?

What happens, when we multiply a vector by (-5) ?

What happens, when we multiply a vector by (-2)

State with reasons, whether the following algebraic operations with scalar and vector physical quantities are meaningful: (i) Adding any two scalars (ii) Adding a scalar to a vector of the same dimensions (iii) Multiplying any vector by any scalar (iv) Multiplying any two scalars (v) Adding any two vectors

State two differences between a real image and a virtual image.

A : Magnitude of mean velocity of the gas molecules is same as their mean speed. R : The only difference between mean velocity and mean speed is that mean velocity is a vector and mean speed is a scalar.

State at least three differences between real and virtual images.

A vector multiplied by the number 0, results into

Is angle a scalar or vector ?