Question

Let  are two vectors inclined at an angle of 60o. If  then the angle between   

Solution

Correct option is

30o

 

We have,

          

Now,    

        

  

  

Let θ be the angle between ,   

      

SIMILAR QUESTIONS

Q2

 and a point P on the line segment BC is equidistant from AB and AC, then  is  

Q3

The vector , directed along the internal bisector of the angle between the vectors  with , is  

Q4

 are three non-zero vectors which are pair wise non-collinear. If  is collinear with  is collinear with  is:    

Q5

 unit vectors such that , then the value of  

Q6

If  are unit vectors, then the greatest value of

Q7

If the unit vectors  are inclined at an angle 2θ such that  then θ lies in the interval 

Q8

Let  be two unit vectors and α be the angle between them, then  is a unit vector, if α =

Q9

If  then the angle between  

Q10

If  are unit vectors such that  is also a unit vector, then the angle between , is