Home
Class 11
PHYSICS
vec(A) is a vector with magnitude A, the...

`vec(A)` is a vector with magnitude A, then the unit vector `hat(A)` in the direction `vec(A)` is

A

`Avec(A)`

B

`vec(A)vec(A)`

C

`vec(A)xxvec(A)`

D

`vec(A)/(A)`

Text Solution

Verified by Experts

The correct Answer is:
D
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|12 Videos

Similar Questions

Explore conceptually related problems

If vec(A) is a vector of magnitude 3 units due east. What is the magnitude and direction of a vector -4vec(A) ?

If vec(A) is a vector of magnitudes 5 units due east. What is the magnitude and dirction of a vector -5vec(A) ?

vec A is a vector of magnitude 2.7 units due east . What is the magnitude and direction of vector 4 vecA ?

Write a unit vector in the direction of vec b=2hat i+hat j+2hat k

For given vector,vec a=2hat ij+2hat k and vec b=-hat i+hat j-hat k, find the unit vector in the direction of the vector vec a+vec b .

If vec a=hat i+hat j,vec b=hat j+hat k,vec c=hat k+hat i find the unit vector in the direction of vec a+vec b+vec c

Write a unit vector in the direction of vec a=3hat i-2hat j+6hat k

If vec(a)=4hat(i)-hat(j),vec(b)=-3hat(i)+2hat(j)and vec(c)=-hat(k). Then the unit vector hat( r) along the direction of sum of these vectors will be

TARGET PUBLICATION-SCALARS AND VECTORS-Critical Thinking
  1. A particle is simultaneously acted by two forces equal to 4 N and 3N. ...

    Text Solution

    |

  2. The resultant of two vectors at right angles is 5 N. If the anagle bet...

    Text Solution

    |

  3. vec(A) is a vector with magnitude A, then the unit vector hat(A) in th...

    Text Solution

    |

  4. If a unit vector is represented by 0.5 hat(i)-0.8 hat(j)+chat(k), then...

    Text Solution

    |

  5. A Unit vector in the direction of the negative of the vector (-hat(i)+...

    Text Solution

    |

  6. If vec(A)=2hat(i)+6hat(j)and vec(B)=4hat(i)+3hat(j), the vector having...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  10. A force vector applied on a mass is represented as vec(F)=6hat(i)-8hat...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  16. Choose the CORRECT statement.

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  20. Select the WRONG one.

    Text Solution

    |