Home
Class 11
PHYSICS
Let the angle between two nonzero vector...

Let the angle between two nonzero vector `vecA and vecB` is `120^@` and its resultant be `vecC`.

A

`vecC` must be equal to `|vecA-vecB|`

B

`vecC` must be less than `|vecA-vecB|`

C

`vecC` must be greater than `|vecA-vecB|`

D

`vecC` may be equal to `|vecA-vecB|`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • UNITS, DIMENSION & MEASUREMENTS

    ERRORLESS |Exercise All Questions|333 Videos
  • WAVES AND SOUND

    ERRORLESS |Exercise SET|25 Videos

Similar Questions

Explore conceptually related problems

A class XII student appearing for a competitive examination was asked to attempt the following questions Let veca,vecb and vecc be three non zero vectors. Let veca,vecb and vecc be unit vectors such that veca.vecb=veca.vecc=0 and angle between vecb and vecc is pi/6 then veca=

Let, veca , vecb and vecc be three non zero vectors such that vecc is a unit vector perpendicular to both veca and vecb. if the angle between veca and vecb is pi//6, prove that [vec a vecb vecc ]^(2) =1/4 |veca|^(2)|vecb|^(2)

Let veca and vecb be two orthogonal unit vectors and vecc is a vector such that vecc xx vecb = veca-vecc , then |vecc| is equal to

vecA and vecB are two vectors of equal magnitude and theta is the angle between them.The angle between vecA or vecB with their resultant is

Let veca , vecb,vecc be vectors of equal magnitude such that the angle between veca and vecb " is " alpha , vecb and vecc " is " beta and vecc and veca " is " gamma .then minimum value of cos alpha + cos beta + cos gamma is

Let veca and vecb be two non-zero vectors perpendicular to each other and |veca|=|vecb| . If |veca xx vecb|=|veca| , then the angle between the vectors (veca +vecb+(veca xx vecb)) and veca is equal to :

If the angles between the vectors veca and vecb, vecb and vecc, vecc and veca be (pi)/(4),(pi)/(3),(pi)/(3) respectively, then the angle which veca makes with the plane containing vecb and vecc is

ERRORLESS -VECTORS-Exercise
  1. Forces F(1) and F(2) act on a point mass in two mutually perpendicular...

    Text Solution

    |

  2. If |vecA-vecB|=|vecA|=|vecB|, the angle between vecA and vecB is

    Text Solution

    |

  3. Let the angle between two nonzero vector vecA and vecB is 120^@ and it...

    Text Solution

    |

  4. A magnitude of vector vecA,vecB and vecC are respectively 12, 5 and 13...

    Text Solution

    |

  5. Magnitude of vector which comes on addition of two vectors, 6hati+7hat...

    Text Solution

    |

  6. A particle has displacement of 12m towards east and 5 m towards north ...

    Text Solution

    |

  7. The three vectors vecA=3hati-2hatj+hatk, vecB=hati-3hatj+5hatk and vec...

    Text Solution

    |

  8. For the figure shown .

    Text Solution

    |

  9. Let vecC=vecA+vecB

    Text Solution

    |

  10. The value of the sum of two vectors vecA and vecB with theta as the an...

    Text Solution

    |

  11. The following sets of three vectors act on a body. Whose resultant can...

    Text Solution

    |

  12. When three forces of 50 N, 30 N and 15 N act on body, then the boy is

    Text Solution

    |

  13. The sum of two forces at a point is 16N. if their resultant is normal...

    Text Solution

    |

  14. If vector P, Q and R have magnitude 5,12,and 13 units and vec(P)+vec(Q...

    Text Solution

    |

  15. The resultant of two vector A and B is at right angles to A and its ma...

    Text Solution

    |

  16. What vector must be added to the two vectors hati-2hatj+2hatk and 2hat...

    Text Solution

    |

  17. What is the angle between vecP and the resultant of (vecP+vecQ) and (v...

    Text Solution

    |

  18. The resultant of vecP and vecQ is perpendicular to vecP. What is the a...

    Text Solution

    |

  19. Maximum and minimum magnitudes of the resultant of two vectors of magn...

    Text Solution

    |

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

    Text Solution

    |