Home
Class 12
MATHS
Let vectors bara, barb, barc and bard be...

Let vectors `bara, barb, barc` and `bard` be such that
`(baraxxbarb)xx(barcxxbard)=bar0`
Let `P_(1)` and `P_(2)` be the planes determined by the pairs of vectors `bara, barb` and `barc, bard` respectively.
Then the angle between `P_(1)` and `P_(2)` is

A

0

B

`(pi)/(4)`

C

`(pi)/(3)`

D

`(pi)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ADDITION AND MULTIPLICATION OF VECTORS

    ML KHANNA|Exercise Problem Set (2) (TRUE AND FALSE) |20 Videos

  • ADDITION AND MULTIPLICATION OF VECTORS

    ML KHANNA|Exercise Problem Set (2) (FILL IN THE BLANKS) |23 Videos

  • ADDITION AND MULTIPLICATION OF VECTORS

    ML KHANNA|Exercise Problem Set (1) (FILL IN THE BLANKS ) |3 Videos

  • AREA OF CURVES

    ML KHANNA|Exercise SELF ASSESSEMENT TEST|16 Videos

Similar Questions

Explore conceptually related problems

lf bara,barb,barc are three unit-vectors such that 3bara + 4barb + 5barc = bar0 , then

Non-zero vectors bara, barb and barc are related by bara = 8barb and barc = - 7 barb . Then the angle between bara and barc is

For any three vectors bara,barb and barc,(bara-barb)[(barb+barc)xx(barc+bara)] is equal to:

The non-zero vectors bara,barb and barc are related by bara=8barb and barc=-7barb . Then, the angle between bara and barc is of measures

If bara and barb are unit vectors such that bara + 2barb and 5bara- 4barb are perpendicular to each other, then the angle between bara and barb is

IF bara,barb,barc and bard are any four vectors then (bara times barb) times (barc times bard) is a vector

Let bara,barb and barc be non-zero vectors such that (bara times barb)times barc=1/3|barb||barc|bara . If theta is the obtuse angle between the vectors barb and barc then sin theta equals

If bara, barb,barc are non-coplanar vectors, then (bara+barb+barc).(bara+barb)xx(bara+barc)=

(3bara xx 2barb)·barc + (3barb xx 2barc)·bara + (4barc xx 3barb)·bara =

If bara+barb+barc=bar0 then bara.(barbxxbarc)+barb.(barcxxbara)+barc.(baraxxbarb) is

ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (2) (MULTIPLE CHOICE QUESTIONS)
  1. The points A(1,1,2), B (3,4,2) and C(5,6,4) . The exterior angle of th...

    Text Solution

    |

  2. A tetrahedron has vertices P(1,2,1),Q(2,1,3),R(-1,1,2) and O(0,0,0). T...

    Text Solution

    |

  3. Let vectors bara, barb, barc and bard be such that (baraxxbarb)xx(ba...

    Text Solution

    |

  4. A plane p(1) is parallel to two vectors 2j + 3k and 4j-3k. Another pla...

    Text Solution

    |

  5. If veca,vecb,vecc and vecd are unit vectors such that (vecaxxvecb).(ve...

    Text Solution

    |

  6. Let the pair of vector veca,vecb and vecc,veccd each determine a plane...

    Text Solution

    |

  7. In cartesian co-ordinates the points A is (x(1), y(1)) where x(1) = 1 ...

    Text Solution

    |

  8. Vectors a and b makes an angle theta = (2pi)/(3) If |a| = 1, |b| = ...

    Text Solution

    |

  9. Let veca, vecb, vec c form sides BC, CA and AB respectively of a tria...

    Text Solution

    |

  10. The vector r is equal to

    Text Solution

    |

  11. (r.i) (rxxi) + (r.j)(rxxx\j) + (r.k)(rxxk) is equal to

    Text Solution

    |

  12. If a + 2b + 3c= 0, then axxb + bxxc+c xxa is equal to

    Text Solution

    |

  13. If veca=4i+6jand vecb=3j+6k vector form of the component of a along b ...

    Text Solution

    |

  14. Let vec a=2 hat i- hat j+ hat k , vec b= hat i+2 hat j= hat ka n d ve...

    Text Solution

    |

  15. Let vec u , vec va n d vec w be such that | vec u|=1,| vec v|=2a n d|...

    Text Solution

    |

  16. a =hati +hatj-hatk, b = hati -2hatj +hatk, c = hati -hatj-hatk, then a...

    Text Solution

    |

  17. Projection of the vector 2i+3j-2k on the vector i+2j+3k is

    Text Solution

    |

  18. If a = 2i+j+2k, b=5i-3j+k, then orthogonal projection vector of a and ...

    Text Solution

    |

  19. Given two vectors a = 2i -3j+6k, b=2i+2j-k and p = ("the projection of...

    Text Solution

    |

  20. Show that the vector of magnitude sqrt(51) which makes equal anges wit...

    Text Solution

    |