Home
Class 12
MATHS
The projection of veca=2hati-hatj+hatk o...

The projection of `veca=2hati-hatj+hatk` on `vecb=hati-2hatj+hatk` is equal to:

A

1) `(5sqrt6)/3`

B

2) `5/(sqrt6)`

C

3) `6/(sqrt(14))`

D

4) `(sqrt6)/5`.

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • VECTORS

    MODERN PUBLICATION|Exercise Exercise|500 Videos

  • UNIT TEST-4

    MODERN PUBLICATION|Exercise EXERCISE|13 Videos

Similar Questions

Explore conceptually related problems

The projection of veca=2hati-2hatj-hatk on vecb=3hati-hatj+2hatk is equal to:

The projection of veca=2hati+3hatj+2hatk on vecb=hati+2hatj+hatk is equal to:

The projection of vector veca=2hati-hatj+hatk along vecb=hati+2hatj+2hatk is

Find the scalar projection of : veca=3hati-2hatj+hatk on vecb=hati-2hatj-3hatk .

Find the scalar projection of : veca=2hati-hatj-3hatk on vecb=3hati-5hatj+hatk .

The projection of vectors veca=2hati+3hatj+2hatk on vacb=hati+2hatj+hatk is :

Find the scalar projection of : veca=2hati+3hatj+2hatk on vecb=hati+2hatj+hatk .

If veca=2hati-hatj+hatk and vecb=2hatj-hatk then veca.vecb is equal to :

Find the scalar projection of : veca=7hati+3hatj+6hatk on vecb=5hati-2hatj+3hatk .

Find the scalar projection of : veca=hati+3hatj+7hatk on vecb=7hati-hatj+8hatk .

MODERN PUBLICATION-VECTORS-Exercise
  1. If veca is a non-zero vector of magnitude 'a' and 'lambda' is a non-ze...

    Text Solution

    |

  2. The value of hati*(hatjxxhatk)+hatj*(hatixxhatk)+hatk*(hatixxhatj) is ...

    Text Solution

    |

  3. The projection of veca=2hati-hatj+hatk on vecb=hati-2hatj+hatk is equa...

    Text Solution

    |

  4. If |veca*vecb|=|vecaxxvecb|, then the angle between veca and vecb is :

    Text Solution

    |

  5. Let veca=hati-2hatj+3hatk. If vecb be a vector such that : veca*vecb=|...

    Text Solution

    |

  6. If veca,vecb,vecc are three non-zero vectors such that each one of the...

    Text Solution

    |

  7. If veca=hati+2hatj+2hatk, |vecb|=5 and the angle between veca and vceb...

    Text Solution

    |

  8. If veca*vecb=0 and veca+vecb makes an angle of 60^@ with veca, then :

    Text Solution

    |

  9. The area of the parallelogram whose adjacent sides are hati+hatk and 2...

    Text Solution

    |

  10. If the projection of vecb on veca is twice the projection of veca on v...

    Text Solution

    |

  11. If (vecaxxvecb)^2+(veca*vecb)^2=144 and |veca|=4, then |vecb|=

    Text Solution

    |

  12. The non-zero vectors veca,vecb and vecc are related by veca=8vecb and ...

    Text Solution

    |

  13. The edges of a parallelopiped are of unit length and are parallel to ...

    Text Solution

    |

  14. If a, b, c and d are the unit vectors such that (atimesb)*(ctimesd)=1 ...

    Text Solution

    |

  15. If vecu, vecv, vecw are non -coplanar vectors and p,q, are real numbe...

    Text Solution

    |

  16. Let veca =hatj-hatk and vecc =hati-hatj-hatk. Then the vector b satisf...

    Text Solution

    |

  17. If the vectors veca=hati-hatj+2hatk.vecb=2hati+4hatj+hatk and vec c=la...

    Text Solution

    |

  18. The vectors veca and vecb are not perpendicular and vecc and vecd are ...

    Text Solution

    |

  19. Let veca=hati+hatj+hatk, vecb=hati-hatj+hatk and vecc=hati-hatj-hatk b...

    Text Solution

    |

  20. If the vectors phati+hatj+hatk,hati+qhatj+hatk and hati+hatj+rhatk(p n...

    Text Solution

    |