Home
Class 12
PHYSICS
Statement 1: Unit vector has a unit thou...

Statement 1: Unit vector has a unit though its magnitude is one
and
Statement 2: Unit vector is obtained by dividing a vector by its own magnituded.

A

Statement -1 is true, statement-2 is true and statement -2 is correct explanation for statement -1.

B

Statement-1 is true, statement-2 is true and statement -2 is NOT the correct explanation for statement -1.

C

Statement-1 is true, statement-2 is false.

D

Statement-1 is false, statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Exercise (O-2) Multiple Correct Type Questions.|7 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Exercise (O-2) Comprehension Type Questions.|9 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN |Exercise Exercise (O-1) Matrix match type Questions.|3 Videos

  • TEST PAPERS

    ALLEN |Exercise MATHS|1 Videos

  • WAVE OPTICS

    ALLEN |Exercise Exercise 2 (Previous Year Questions)|7 Videos

Similar Questions

Explore conceptually related problems

If the sum of two unit vectors is a unit vector, then magnitude of difference is-

If hatn is a unit vector in the direction of the vector vecA , then hatn is

The unit vector along hati+hatj is :

The unit vector along 2hati+3hatj is

Find a unit vector in the direction of the vector (2, 3, 6).

If the sum of two unit vectors is a unit vector,then find the magnitude of their differences.

If magnitude of sum of two unit vectors is sqrt2 then find the magnitude of subtraction of these unit vectors.

Find the unit vector in the direction of the vector 2hati-2hatj+hatk .

Assertion :- Unit vector is used to describe a direction in space. Reason :- Unit vector has a unit through its magnitude is one.

ALLEN -UNIT & DIMENSIONS, BASIC MATHS AND VECTOR -Exercise (O-2) Single Correct Type Questions.
  1. In a certain system of units, 1 unit of time is 5 sec, 1 unit of mass ...

    Text Solution

    |

  2. If the unit of length be doubled then the numerical value of the unive...

    Text Solution

    |

  3. If in a system the force of attraction between two point masses of 1kg...

    Text Solution

    |

  4. In two different system of unit an acceleration is represented by the ...

    Text Solution

    |

  5. Statement-I : Whenever we change the unit of measurement of a quantity...

    Text Solution

    |

  6. Forces proportional to AB, BC & 2 CA act along the sides of triangle A...

    Text Solution

    |

  7. A man rows a boat with a speed of 18 km/hr in northwest direction. The...

    Text Solution

    |

  8. Statement 1: Unit vector has a unit though its magnitude is one and...

    Text Solution

    |

  9. A vector of magnitude 10m in the direction 37^(@) south of west has it...

    Text Solution

    |

  10. A plumber steps down 1 m out of his truck and walks 50m east and then ...

    Text Solution

    |

  11. A body moves in anticlockwise direction on a circular path in the x-y ...

    Text Solution

    |

  12. A body A is standing 20sqrt(3) m away in a direction 30^(@) north of e...

    Text Solution

    |

  13. Find the component of vecr in the directioln of veca :-

    Text Solution

    |

  14. Consider three vectors A=hati +hatj-2hatk, B=hati +hatj+2hatk and C=...

    Text Solution

    |

  15. A string connected with bob is suspended by the point (O) such that it...

    Text Solution

    |

  16. x- component of a vector vecA is twice of its y-component and sqrt(2) ...

    Text Solution

    |

  17. Given the vector vecA=2hati+3hatj-hatk, vecB=3hati-2hatj-2hatk & vecC=...

    Text Solution

    |