Question

If  are unit vectors such that 

Solution

Correct option is

 

We have,  

          

  

  

Now,  

         

  

SIMILAR QUESTIONS

Q1

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

Q2

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

Q3

 unit vectors such that , then the value of  

Q4

If  are unit vectors, then the greatest value of

Q5

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

Q6

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

Q7

If  then the angle between  

Q8

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

Q9

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

Q10

If  are unit vectors such that  and  then