Home
Class 12
PHYSICS
If vec A and vec B are two vectors given...

If `vec A` and `vec B` are two vectors given by `vec A = 2 hati +3 hat j` and `vec B = hati + hat j`. The magnitude of the component of `vec A along vec B` is

A

`5/sqrt 2`

B

`3/ sqrt2`

C

`7 sqrt 2`

D

`1/ sqrt 2`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    MBD PUBLICATION|Exercise QUESTION BANK|338 Videos
  • WAVE OPTICS

    MBD PUBLICATION|Exercise QUESTION BANK|218 Videos

Similar Questions

Explore conceptually related problems

If vec a=2hati+hatj , vec b=hatk what is vec a.vec b ?

Find a unit vector in direction of vec a-vec b , when vec a = 4 hat i + 7 hat j + hat k and vec b =3 hat j-11 hat k .

Find the scalar projection of the vector vec a= 3 hat i+6 hat j+9 hat k on vec b= 2 hat i+2 hat j-hat k .

MBD PUBLICATION-VECTOR ANALYSIS-QUESTION BANK
  1. Two forces vec p and vec Q have a resultant perpendicular to vec p. Th...

    Text Solution

    |

  2. If a vector 2 hati + 3 hat j + 8 hat k is perpendicular to the vector ...

    Text Solution

    |

  3. If vec A and vec B are two vectors given by vec A = 2 hati +3 hat j an...

    Text Solution

    |

  4. A blind person after walking10 steps in one direction each of length 8...

    Text Solution

    |

  5. A particle is moving eastward with a velocity of 5 m/s. In 10 seconds,...

    Text Solution

    |

  6. If vec A = vec B +vec C ,vec A,vec B and vec C are 5,4,3 units, the an...

    Text Solution

    |

  7. The resultant of two forces at right engles is 5 N. When the angle bet...

    Text Solution

    |

  8. If the sum of two unit vector is also unit vector, then magnitude of t...

    Text Solution

    |

  9. What vector must be added to the sum of two vectors 2 hati - hat j + 3...

    Text Solution

    |

  10. A body of mass 2 kg moving along north east direction with a speed of ...

    Text Solution

    |

  11. A boat taken two hours to travel 8 km and back in still water lake. If...

    Text Solution

    |

  12. A bus is going due north at a speed of 30 km/h. It makes a 90^@ left t...

    Text Solution

    |

  13. A force is inclined at 60^@ to the horizontal. If it's rectangular com...

    Text Solution

    |

  14. The distance travelled by an object along the X -axis are given by x...

    Text Solution

    |

  15. A person move 30m north, then 30m east, then 30 sqrt 2 m south west. H...

    Text Solution

    |

  16. Three vector each of magnitude A are acting a point such that the ang...

    Text Solution

    |

  17. The momentum of a particle is vec P = 2 cos t hati + 2 sin t hat j. Wh...

    Text Solution

    |

  18. Two vectors vec A and vec B are inclined to each other at an angle the...

    Text Solution

    |

  19. If abs(vec v1+vec v2)=abs(vec v1- vec v2) and vec v2 is finite thus

    Text Solution

    |

  20. Three vectors vec A, vec B and vec C satisfy the relation vec A. vec B...

    Text Solution

    |