Question

A unit vector perpendicular to the plane of  and  is 

Solution

Correct option is

 

We have,   

         

Hence, required unit vector  is given by

    

SIMILAR QUESTIONS

Q1

If  are two vectors such that  then angle between 

Q2

The values of x for which the angle between the vectors  is acute, and the angle between the vector  and the axis of ordinates is obtuse, are

Q3

The value of x for which the angle between  and  is obtuse and the angle between  and the z-axis is acute and less than π/6, are  

Q4

If  are two unit vectors such that , then the angle between , is 

Q5

, then the angle between  

Q6

If  are unit vectors and θ is the acute angle between them, then  is a unit vector for

Q8

 

For any vector   

                

Q9

 is equal to 

Q10

The number of vectors of unit length perpendicular to the vectors