Home
Class 11
PHYSICS
Which of the following expressions are m...

Which of the following expressions are meaningful?

A

`vec(u).(vec(v)xxvec(w))`

B

`(vec(u).vec(v)).vec(w)`

C

`(vec(u).vec(v))vec(w)`

D

`vec(u)xx(vec(v).vec(w))`

Text Solution

Verified by Experts

The correct Answer is:
A, C
Promotional Banner

Topper's Solved these Questions

  • MISCELLANEOUS

    ALLEN|Exercise Exercise-03|1 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Exercise-04|1 Videos

  • MISCELLANEOUS

    ALLEN|Exercise Exersice -05(B)|20 Videos

  • KINEMATICS (MOTION ALONG A STRAIGHT LINE AND MOTION IN A PLANE)

    ALLEN|Exercise BEGINNER S BOX-7|8 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

Similar Questions

Explore conceptually related problems

which of the following expression are meaningful?

Which of the following expressions is not meaningful?

Which of the following expression is ture?

Which of the following expressions are polynomials?

ALLEN-MISCELLANEOUS-Exercise-02
  1. If vec(a) is a vector and x is a non-zero scalar, then

    Text Solution

    |

  2. The two vectors vec(A) and vec(B) are drawn from a common point and ve...

    Text Solution

    |

  3. Which of the following expressions are meaningful?

    Text Solution

    |

  4. If the vectors vec a , vec b ,a n d vec c form the sidesB C ,C Aa n d...

    Text Solution

    |

  5. Following forces start acting on a particle at rest at the origin of t...

    Text Solution

    |

  6. Which of the following group have the same dimensions.

    Text Solution

    |

  7. The line of action of a force vec(F)=(-3hat(i)+hat(j)+5hat(k)) N passe...

    Text Solution

    |

  8. A particle moves so that its position vector is given by vec r = cos o...

    Text Solution

    |

  9. The magnitude of scalar product of two vectors is 8 and of vector prod...

    Text Solution

    |

  10. Force acting on a particale is (2hat(i)+3hat(j))N. Work done by this f...

    Text Solution

    |

  11. Equation of line BA is x+y=1. Find a unit vector along the reflected r...

    Text Solution

    |

  12. The vector (vec(a)+3vec(b)) is perpendicular to (7 vec(a)-5vec(b)) and...

    Text Solution

    |

  13. Forces proportional to AB , BC and 2 CA act along the slides of a tria...

    Text Solution

    |

  14. A charges cork of mass m suspended by a light stright is placed in uni...

    Text Solution

    |

  15. A charged particle having some mass is resting in equilibrium at a hei...

    Text Solution

    |

  16. The charge per unit length of the four quadrant of the ring is 2 lambd...

    Text Solution

    |

  17. The figure shows a nonconducting ring which has positive and negative ...

    Text Solution

    |

  18. A circular ring carries a uniformly distributed positive charge .The e...

    Text Solution

    |

  19. Find the force experienced by a semicircular rod having a charge q as ...

    Text Solution

    |

  20. Which of the following is true for the figure showing electric lines o...

    Text Solution

    |