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