Home
Class 11
PHYSICS
If a 4hat(i)+3hat(j)+8hat(k) is perpendi...

If a `4hat(i)+3hat(j)+8hat(k)` is perpendicular to the vector `4hat(j)-4hat(i)+mhat(k)`, then the value of m is

A

`(1)/(2)`

B

`-(1)/(2)`

C

1

D

-1

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Competitive Thinking|64 Videos
  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos
  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos
  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|15 Videos
  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise EXERCISE|147 Videos

Similar Questions

Explore conceptually related problems

If a vector 2hat(i)+3hat(j)+8hat(k) is perpendicular to the vector 4hat(j)-4hat(i)+alpha hat(k) . Then the value of alpha is

TARGET PUBLICATION-SCALARS AND VECTORS-Critical Thinking
  1. If vec(A)=2hat(i)+6hat(j)and vec(B)=4hat(i)+3hat(j), the vector having...

    Text Solution

    |

  2. If the sum of two unit vectors is a unit vector, then magnitude of dif...

    Text Solution

    |

  3. A vector of magnitude b is rotated through angle theta. What is the ch...

    Text Solution

    |

  4. The resultant of two vectors vec(P) and vec(Q) is vec(R ). If the magn...

    Text Solution

    |

  5. Choose the correct options A force vector applied on a mass is repres...

    Text Solution

    |

  6. Vector vec(A)=2hat(i)-3hat(j)+ahat(k)andvec(B)=12hat(i)-bhat(j)+6hat(k...

    Text Solution

    |

  7. If a 4hat(i)+3hat(j)+8hat(k) is perpendicular to the vector 4hat(j)-4h...

    Text Solution

    |

  8. A force vec(F)=3hat(i)+chat(j) +2hat(k) acting on a particle causes a ...

    Text Solution

    |

  9. Work done when a force of (7hat(i)-4hat(j)-4hat(k)) N moves a body thr...

    Text Solution

    |

  10. If vec(P)=hat(i)-2hat(j)-3hat(k)and vec(Q)=4hat(i)-2hat(j)+6hat(k) , t...

    Text Solution

    |

  11. Choose the CORRECT statement.

    Text Solution

    |

  12. The sine of the angle between 3hat(i)+hat(j)+2hat(k)and 2hat(i)-2hat(j...

    Text Solution

    |

  13. If vec(A).vec(B)=0andvec(A)xxvec(B)=0, then which of the following con...

    Text Solution

    |

  14. If the ratio of the dot product of two vectors and cross product of sa...

    Text Solution

    |

  15. Select the WRONG one.

    Text Solution

    |

  16. If vec(a) and vec(b) are two vectors then the value of (vec(a) + vec(b...

    Text Solution

    |

  17. Given vec(p)*(vec(P)+vec(Q))=P^(2) then the angle between vec(P)andvec...

    Text Solution

    |

  18. Assertion : If dot product and cross product of vec(A)andvec(B) are ze...

    Text Solution

    |

  19. Assertion : vec(A)xxvec(B) is perpendicular to both vec(A)+vec(B) as w...

    Text Solution

    |

  20. A small ball is hung by a string fixed to a wall. The ball is pushed a...

    Text Solution

    |