If  is A Vector Such That  and The Angle Between  is 30o, Then  

Why Kaysons ?

Video lectures

Access over 500+ hours of video lectures 24*7, covering complete syllabus for JEE preparation.

Online Support

Practice over 30000+ questions starting from basic level to JEE advance level.

Live Doubt Clearing Session

Ask your doubts live everyday Join our live doubt clearing session conducted by our experts.

National Mock Tests

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

Organized Learning

Proper planning to complete syllabus is the key to get a decent rank in JEE.

Test Series/Daily assignments

Give tests to analyze your progress and evaluate where you stand in terms of your JEE preparation.

SPEAK TO COUNSELLOR ? CLICK HERE

Question

 If  is a vector such that  and the angle between  is 30o, then  

Solution

Correct option is

3/2

 

We have,  

           

  

   

Now, 

        

SIMILAR QUESTIONS

Q1

The volume of the tetrahedron whose vertices are the points with position vectors  and  is 11 cubic units if the value of λ is 

Q2

If a vector  is expressed as the sum of two vectors  along and perpendicular to a given vector 

Q3

 are two given vectors. On these vectors as adjacent sides a parallelogram is constructed. The vector which is the altitude of the parallelogram and which is perpendicular to  is not equal to

Q4

Let  be a unit vector and  a non-zero vector not parallel to . The angles of the triangle, two of whose sides are represented by  

Q5

Three vectors  taken two at a time form three planes. The three unit vectors drawn perpendicular to three planes form a parallelopiped of volume  

Q6

Let  be two non-collinear unit vectors. If 

Q7

If the vectors  are coplanar, then the value of pqr – (p + q + r) is 

Q8

If  are any three vectors such that 

Q9

Let  the value of λ for which the vector  is parallel to the plane containing  

Q10

Let  be three unit vectors such that  If the angle between , then the volume of the parallelepiped whose three conterminus edges are