Home
Class 11
PHYSICS
If vectors are vecA = 2 hati + 3 hatJ - ...

If vectors are `vecA = 2 hati + 3 hatJ - hatk` and `hatB = 4 hati + 6 hatJ - 2 hatk` , then they are .........

A

equal

B

perpendicualr

C

anti parallel

D

parallel

Text Solution

Verified by Experts

The correct Answer is:
D

Method : 1
Promotional Banner

Topper's Solved these Questions

  • LAW OF MOTION

    KUMAR PRAKASHAN|Exercise SECTION-F (QUESTIONS FROM MODULE)|22 Videos
  • LAW OF MOTION

    KUMAR PRAKASHAN|Exercise (QUESTION PAPER) SECTION-A|5 Videos
  • LAW OF MOTION

    KUMAR PRAKASHAN|Exercise SECTION-D(NCERT EXEMPLAR SOLUTIONS)|42 Videos
  • GRAVITATION

    KUMAR PRAKASHAN|Exercise QUESTIONS PAPER Section - D|1 Videos
  • MACHANICAL PROPERTIES OF SOLIDS

    KUMAR PRAKASHAN|Exercise QUESTION PAPER|11 Videos
KUMAR PRAKASHAN-LAW OF MOTION-SECTION -E(MULTIPLE CHOICE QUESTIONS) (MCQS)
  1. A block of 50 kg on a smooth plane inclined at 60^(@) and another bloc...

    Text Solution

    |

  2. If the speed of a vehicle become 3 times for a given deceleration its ...

    Text Solution

    |

  3. If vectors are vecA = 2 hati + 3 hatJ - hatk and hatB = 4 hati + 6 hat...

    Text Solution

    |

  4. vecA = 2 hati +3 hatJ +4 hatk and vecB =4 hati +5 hatj +3 hatk , then ...

    Text Solution

    |

  5. Find the vector product of vectors vecA = 4hati + 2 hatJ - hatk ,vecB ...

    Text Solution

    |

  6. A body of mass 20 kg at one end and another of 60 kg at the other end ...

    Text Solution

    |

  7. If vector vecA =4 hati -6 hatJ +2hatk and vecB =6hati +8 hatj +mhatk a...

    Text Solution

    |

  8. Ramesh with mass of 65 kg stands on a spring balance in a lift. If the...

    Text Solution

    |

  9. The potential energy of a projectile at its highest point is3/4 of the...

    Text Solution

    |

  10. A block of mass 20 kg is lying on an inclined plane of angle 30^(@). I...

    Text Solution

    |

  11. M = 5 kg. The co-efficient of static friction between the block and th...

    Text Solution

    |

  12. A body of mass 10 kg at rest is applied with perpendicular force of 4 ...

    Text Solution

    |

  13. The angle between vecF =(1,-3, 1)and vecd =(2,-3,-11) will b e ...... ...

    Text Solution

    |

  14. A disc is rotatin g aro u n d its cen tre in a horizontal plane at the...

    Text Solution

    |

  15. A bomb in the steady state explodes into three fragments. Two fragm en...

    Text Solution

    |

  16. Block of mass m is placed on frictionless slope with angle 0. Normal f...

    Text Solution

    |

  17. The upper half of an in clin ed plane of inclination 30^(@) is perfect...

    Text Solution

    |

  18. When a force acts on a body of mass 0.1 kg, the change in its velocity...

    Text Solution

    |

  19. A force of 8 N acts on an object of mass 2 kg in X-direction and anoth...

    Text Solution

    |

  20. Three blocks with masses m, 2m and 3m are connected by strings as show...

    Text Solution

    |