Home
Class 12
MATHS
Find the angle between two vectors veca ...

Find the angle between two vectors `veca` and `vecb` with magnitudes 1 and 2 respectively and when `veca . vecb=1`

Promotional Banner

Topper's Solved these Questions

  • THREE DIMENSIONAL GEOMETRY

    V PUBLICATION|Exercise QUESTION BANK|103 Videos

Similar Questions

Explore conceptually related problems

Choose the correct answer from the bracket.The angle between the vectors veca and vecb with magnitude 1 and 2 respectively having veca.vecb=sqrt3 a) pi/3 b) pi/4 c) pi/6 d) pi/2

Find the angle between the vectors veca=2i+j-k and vecb=i-j+k .

Find the angle between the vectors veca=3i+4j+k and vecb=2i+3j-k .

Find the angle between the vectors veca=hati+hatj-hatk and vecb=hati-hatj+hatk

The angle between the vectors veca and vecb such that absveca=absvecb=sqrt2 and veca.vecb=1 is

If theta is the angle between any two vectors veca and vecb , then |veca.vecb|=|veca xx vecb| when theta is equal to a)0 b) pi/4 c) pi/2 d) pi

If theta is the acute angle between any two vectors " " veca" and "vecb , then |veca.vecb|=|vecaxxvecb| when theta is equal to :

Find the magnitude and direction of the resultant of two vectors vecA and vecB in terms of their magnitudes and angle between them.

Find |veca-vecb| , if two vectors veca and vecb are such that |veca|=2,|vecb|=3 and veca. vecb=4

V PUBLICATION-VECTOR ALGEBRA-QUESTION BANK
  1. In triangle 'ABC', which of the following is not true. (##VPUHSSMATX...

    Text Solution

    |

  2. If oversetrarra"and"oversetrarrbare two collinear vectors, then which ...

    Text Solution

    |

  3. Find the angle between two vectors veca and vecb with magnitudes 1 and...

    Text Solution

    |

  4. Find the angle between the vectors veca=hati+hatj-hatk and vecb=hati-h...

    Text Solution

    |

  5. If veca=5i-j-3k and vecb=i+3j+5k,then show that the vectors veca+vecb,...

    Text Solution

    |

  6. Find the projection of the vector veca=2 hati+3 hatj+2 hatk on the vec...

    Text Solution

    |

  7. Find |veca-vecb|, if two vectors veca and vecb are such that |veca|=2,...

    Text Solution

    |

  8. If veca is a unit vector and (vecx-veca) .(vecx+veca)=8, then find |ve...

    Text Solution

    |

  9. For any two vectors veca and vecb, we always have |veca+vecb| le|veca|...

    Text Solution

    |

  10. Show that the points A(-2 hati+3 hatj+5 hatk), B(hati+2 hatj+3 hatk) a...

    Text Solution

    |

  11. Find the angle between two vectorsoversetrarra"and"oversetrarrb with m...

    Text Solution

    |

  12. Find the angle between the vectors hati-2 hatj+3 hatk and 3 hati-2 hat...

    Text Solution

    |

  13. Find the projection of the vector hati-hatj on the vector hati+hatj.

    Text Solution

    |

  14. Find the projection of a vector i+3j+7k on the vector 7i-j+8k.

    Text Solution

    |

  15. Show that each of the given three vectors is a unit vector :1/7(2overs...

    Text Solution

    |

  16. Find |veca| and |vecb|, if (veca+vecb) .(veca-vecb)=8 and |veca|=8|vec...

    Text Solution

    |

  17. Evaluate the product (3 veca-5 vecb) .(2 veca+7 vecb)

    Text Solution

    |

  18. Find the magnitude of two vectors oversetrarra"and"oversetrarrb, havin...

    Text Solution

    |

  19. Find |vecx|, if for a unit vector veca,(vecx-veca) .(vecx+veca)=12'

    Text Solution

    |

  20. If" " oversetrarra=2overset^^i+2overset^^j+3overset^^k," " oversetrarr...

    Text Solution

    |