Home
Class 12
MATHS
If veca. vecb=0, then what can you say a...

If `veca. vecb=0,` then what can you say about `veca and vecb?`

Text Solution

Verified by Experts

The correct Answer is:
Either `veca =0 or vec b = 0 or vec a bot vecb`
Promotional Banner

Topper's Solved these Questions

  • VECTORS

    CBSE COMPLEMENTARY MATERIAL|Exercise TWO MARKS QUESTIONS|11 Videos

  • VECTORS

    CBSE COMPLEMENTARY MATERIAL|Exercise FOUR MARKS QUESTIONS|35 Videos

  • THREE DIMENSIONAL GEOMETRY

    CBSE COMPLEMENTARY MATERIAL|Exercise SIX MARK QUESTIONS|9 Videos

Similar Questions

Explore conceptually related problems

If veca and vecb are two vectors such that |veca xx vecb|= veca.vecb , then what is the angle between veca and vecb ?

If |veca.vecb|= |veca xx vecb| , then the angle between veca and vecb is

If |veca - vecb|=|veca| =|vecb|=1 , then the angle between veca and vecb , is

If veca, vecb, vecc are vectors such that veca.vecb=0 and veca + vecb = vecc then:

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

if veca + vecb + vecc=0 , then show that veca xx vecb = vecb xx vecc = vecc xx veca .

If veca +vecb +vecc =vec0, |veca| =3 , |vecb|=5 and |vecc| =7 , then the angle between veca and vecb is

If vecAxxvecB=0, can you say that a. vecA=vecB, b. vecA!=vecB?

l veca . m vecb = lm(veca . vecb) and veca . vecb = 0 then veca and vecb are perpendicular if veca and vecb are not null vector

CBSE COMPLEMENTARY MATERIAL-VECTORS -FOUR MARKS QUESTIONS
  1. If veca. vecb=0, then what can you say about veca and vecb?

    Text Solution

    |

  2. The points A,B and C with position vectors 3 hati - y hatj + 2hatk, 5 ...

    Text Solution

    |

  3. If the sum of two unit vectors is a unit vector, prove that the mag...

    Text Solution

    |

  4. Let veca = 4hati + 5hatj - hatk, vecb = hati- 4 hatj + 5 hatk and vec ...

    Text Solution

    |

  5. If hata and hatb are unit vectors inclined at an angle theta then prov...

    Text Solution

    |

  6. If hata and hatb are unit vectors inclined at an angle theta then prov...

    Text Solution

    |

  7. If veca,vecb,vecc are mutually perpendicular vectors of equal magnitud...

    Text Solution

    |

  8. For any vector veca |veca xx hati|^(2) + |veca xx hatj|^(2) + |vec...

    Text Solution

    |

  9. Show that (veca xx vecb)^(2) = |veca| ^(2) |vecb|^(2) - (veca.vecb)^(2...

    Text Solution

    |

  10. If veca, vecb and vecc are the position vectors of vertices A,B,C of a...

    Text Solution

    |

  11. Let veca , vecb , vecc be unit vectors such that veca .vecb =0=veca....

    Text Solution

    |

  12. if veca + vecb + vecc=0, then show that veca xx vecb = vecb xx vecc = ...

    Text Solution

    |

  13. If veca = hati + hatj + hatk, vecc = hatj - hatk are given vectors, th...

    Text Solution

    |

  14. Let, veca , vecb and vecc be three non zero vectors such that vecc is ...

    Text Solution

    |

  15. If the vectors vecalpha = a hati + hatj + hatk, vecbeta = hati + b hat...

    Text Solution

    |

  16. Find the altitude of a parallelepiped determined by the vectors veca, ...

    Text Solution

    |

  17. Prove that the four points (4hati + 5 hatj+hatk), - (hatj +hatk),(3hat...

    Text Solution

    |

  18. If |veca| =3, |vecb|=4 and |vecc|=5 such that each is perpendicular to...

    Text Solution

    |

  19. Decompose the vector 6 hati - 3 hatj - 6 hatk into vectors which are p...

    Text Solution

    |

  20. If veca, vecb and vecc are vectors such that veca. vecb = veca.vecc, v...

    Text Solution

    |

  21. If veca, vecb and vecc are three non zero vectors such that veca xx v...

    Text Solution

    |