Vector|Some Relations

For figure the correct relation is (all vector have same magnitude).

Which of the following is correct relation between an arbitrary vector A and null vector O ?

Some special relations |Greatest term

The terms 'microinjection' , 'biolistics' and 'disarmed plathogen vector' are related to

Column-I show vector diagram relating three vectors veca, vecb " and " vecc . Match the vector equation in column -II, with vector diagram in column-I:

For two vectors vecA and vecB which of the following relations are not commutative ?

If vec(A), vec(B) and vec(C ) are three vectors, then the wrong relation is :

If the direction ratio of two vectors are connected by the relations a+b+c=0 and a^(2)+b^(2)=c^(2). then the angle between two vectors