Home
Class 11
PHYSICS
Scalar projection of the vector 2hati+3h...

Scalar projection of the vector `2hati+3hatj+2hatk` on the vector `hati-2hatj+3hatk` is

A

`2/sqrt14`

B

`1/sqrt14`

C

`3/sqrt17`

D

`3/sqrt14`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENT

    PATHFINDER|Exercise QUESTION BANK|30 Videos

  • WAVE MOTION AND SOUND -I & II

    PATHFINDER|Exercise QUESTION BANK|195 Videos

Similar Questions

Explore conceptually related problems

find the projection of the vector hati-3hatj-7hatk on the vector 7hati-hatj-8 hatk

find the projection of the vector hati+2hatj+3hatk on the vector 5hati-2hatj+4 hatk

Find the projection of the vector hati+3hatj+7hatk on the vector 7hati-hatj+8hatk .

Find the projection of the vector vecP=2hati-3hatj+6hatk on the vector vecQ=hati+2hatj+2hatk .

The projection of the vector veca=2hat(i)-hatj+hatk on the vector vecb=hati-2hat(j)+hatk will be

Find the projection of the vector veca=2hati+3hatj+2k on the vector vecb=hati+2hatj+hatk .

If the scalar projection of vector xhati-hatj+hatk on vector 4hati-2hatj+5hatk is 1/(3sqrt5) . The find the value of x.

The projection of the vector vec alpha=2hati+3hatj+2hatk on the vector vec beta=hati+2hatj+hatk is -

Find the unit vector perpendicular to both the vectors vecA=(2hati+2hatj+2hatk) and vecB=(hati-hatj+2hatk) .

PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
  1. The angle between veca and vecb is 0^@ then angle between 2veca and -3...

    Text Solution

    |

  2. If theta be the angle between the vectors hati+hatj and 2hatj+2hatk, t...

    Text Solution

    |

  3. Scalar projection of the vector 2hati+3hatj+2hatk on the vector hati-2...

    Text Solution

    |

  4. If (vecA+vecB) is perpendicular to vecB and (vecA+2vecB) is perpendicu...

    Text Solution

    |

  5. Vector vecA of magnitude 4 units is directed along the positive x-axis...

    Text Solution

    |

  6. If two vectors vecC=vecA+vecB and vecD=vecA-vecB are at right angle to...

    Text Solution

    |

  7. The resultant of two forces vecF1 and vecF2 is P. If vecF2 is reversed...

    Text Solution

    |

  8. The X and Y=component of vecP and 7hati and 6hatj Also, the X and Y-co...

    Text Solution

    |

  9. Two vector vecA=3hati+8hatj-2hatk and vecB=6hati+16hatj+xhatk are such...

    Text Solution

    |

  10. Two vectors vecA and vecB have magnitudes 2 and 2sqrt2 respectively. I...

    Text Solution

    |

  11. (veca-vecb)xx(veca+vecb) is equal to

    Text Solution

    |

  12. The vector vecaxx(vecbxxveca) is

    Text Solution

    |

  13. vecA.(vecAxxvecB) is

    Text Solution

    |

  14. A vector vectorA points vertically downward and vecB points towards no...

    Text Solution

    |

  15. A force vecF=3hatj acts on the road a a point P(1,0,0). Then the torqu...

    Text Solution

    |

  16. The angle between the vector vecA and vecB is 0. The value of the trip...

    Text Solution

    |

  17. If veca and vecb are two vectors then the value of (veca+vecb) xx (vec...

    Text Solution

    |

  18. The velocity of a particle is vecv=6hati+2hatj-2hatk. The component of...

    Text Solution

    |

  19. The value of hatixx(hatixxveca)+hatjxx(hatjxxveca)+hatkxx(hatkxxveca) ...

    Text Solution

    |

  20. If vector vecA and vecB have an angletheta between them, then value of...

    Text Solution

    |