Home
Class 11
MATHS
The magnitude of the projection of the v...

The magnitude of the projection of the vector `bara=4bari-3barj+2bark` on the line which makes equal angles with coordinate axes is

A

`sqrt2`

B

`sqrt3`

C

`1/sqrt3`

D

`1/sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • DOT PRODUCT OF TWO VECTORS

    AAKASH SERIES|Exercise PRACTICE EXERCISE|57 Videos

  • DOT PRODUCT OF TWO VECTORS

    AAKASH SERIES|Exercise EXERCISE - I|30 Videos

  • DIRECTION COSINES AND RATIOS

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|8 Videos

  • ERRORS AND APPROXIMATIONS

    AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTION|15 Videos

Similar Questions

Explore conceptually related problems

If the projection of the vector bari+barj+bark " on the vector " abari+barj+2bark " is " 5//3 , then a =

The orthogonal projection vector of bara = 2bari + 3barj+3bark " on " barb=bari-2barj+bark is

Find the cosines of the angles made by bara = 2bari+3barj+6bark with the X, Y, Z - axes.

If the angle between the vectors bari+bark and bari-barj+abark " is " pi/3 , then a =

The vector bara,barb,barc are equal in length and pair wise make equal angles. If bara=bari+barj, barb=barj+bark " , then " barc =

A vector bara of magnitude 50 is collinear with the vector 6bari -8barj-15/2bark and making an obtuse angle with Z-axis is

Find the angle between the vectors bari+2barj+3bark" and "3bari-barj+2bark .

Show that the vectors bari+barj+bark,bari+barj,3bari+3barj+bark are coplaner

If bara=2bari+barj-3bark, barb=3barj-2barj-bark then find the angle between .

AAKASH SERIES-DOT PRODUCT OF TWO VECTORS-EXERCISE - II
  1. A parallogram constructed on the vector bar(a) =3barp-barq and bar(b)...

    Text Solution

    |

  2. The length of the projection of the vector (1,-2,-1) on the vector joi...

    Text Solution

    |

  3. The magnitude of the projection of the vector bara=4bari-3barj+2bark o...

    Text Solution

    |

  4. If barb=4bari+3barj and barc be two perpendicular vectors in xy-plane....

    Text Solution

    |

  5. Let bara = 2bari -barj+bark , barb=bari+2barj-bark , barc=bari+barj-2b...

    Text Solution

    |

  6. The triangle ABC is defined by the vertices A =(0,7,10), B = (-1,6,6) ...

    Text Solution

    |

  7. In the Parallelogram ABCD, bar(AC)^(2)-bar(BD)^(2) =

    Text Solution

    |

  8. The bot r bisecting plane of the line segment joining the points (3,1,...

    Text Solution

    |

  9. The vector equation of the plane which contains the point (1,1,8) and ...

    Text Solution

    |

  10. The perpendicular distance from origin to the plane passing through th...

    Text Solution

    |

  11. Find the cartesian equation of the plane through the point A (2,-1,-4)...

    Text Solution

    |

  12. The cartesian equation of the plane passing through (1,1,1) and contai...

    Text Solution

    |

  13. The vector equation of the plane through the point (1,1,-1) and passin...

    Text Solution

    |

  14. Let A = (bari-barj+3bark), B=(3bari+3barj+3bark) " be two points and "...

    Text Solution

    |

  15. Angle between the line barr = (-bari+3barj+3bark)+t(2bari+3barj+6bark)...

    Text Solution

    |

  16. If 3bari+4barj+5bark is P.V. of one end of a diameter of the sphere a...

    Text Solution

    |

  17. The force barF = 2bari+2barj-bark " acting at " bara =bari-2barj+bark ...

    Text Solution

    |

  18. A particle is acted upon by constant forces 4bari+barj-3bark and 3bari...

    Text Solution

    |

  19. Three forces having magnitudes 5,4 and 3 units act on a particle in th...

    Text Solution

    |

  20. Which of the following statements is are correct Statement -I : For ...

    Text Solution

    |