Home
Class 12
MATHS
If 2veca*vecb = |veca| * |vecb| then the...

If `2veca*vecb = |veca| * |vecb|` then the angle between `veca & vecb` is

A

`30^@`

B

`0^@`

C

`90^@`

D

`60^@`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

If |veca+ vecb| lt | veca- vecb| , then the angle between veca and vecb can lie in the interval

Suppose veca + vecb + vecc = 0, |veca| = 3, |vecb| = 5, |vecc| = 7 , then the angle between veca & vecb is

If vecA.vecB=|vecAxxvecB| then fibnd the angle between vecA and vecB

The non-zero vectors veca, vecb and vecc are related by veca = 8 vecb and vecc=-7 vecb. Then the angle between veca and vecc is :

If |veca| = |vecb| = |veca + vecb| = 1 , then the value of |veca - vecb| is equal to

If veca and vecb are two unit vectors such that veca + 2 vecb and 5 veca - 4 vecb are perpendicular to each other, then the angle between veca and vecb is :

If veca,vecb and vecc are unit vectors such that veca+vecb+vecc=vec0 then angle between veca and vecb is

If veca.vecb=sqrt15,|vecb|=sqrt3 and angle between veca and vecb" is "pi/3 , find |veca|

If vecp = veca - vecb , vecq = vec a + vec b and |veca| = |vecb| = 2 , then the value of |vecp xx vecq| is equal to

If veca and vecb are unit vectors and theta is the angle between veca and vecb , then sin.(theta)/(2) is