00:01:42 Multiplication of a vector by a scalar

00:09:00 Unit Vector & Finding a new vector in direction of given vector

00:16:35 General Vector v/s Unit Vector, Direction Ratios, Direction Cosines

00:25:50 Meaning of Direction Cosines

00:31:16 Types of Vectors

00:31:20 Equal Vectors

00:34:45 Negative Vectors

00:36:45 Collinear Vectors and Parallel Vectors

00:42:30 Coinitial Vector