Home
Class 12
PHYSICS
vec(A) and vec(B) are two Vectors and th...

`vec(A)` and `vec(B)` are two Vectors and `theta` is the angle between them, if `|vec(A)xxvec(B)|= sqrt(3)(vec(A).vec(B))` the value of `theta` is

A

`60^(@)`

B

`45^(@)`

C

`30^(@)`

D

`90^(@)`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • MOTION IN ONE DIMENSION

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise Exercise|46 Videos

  • NEET

    NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)|Exercise MCQ|95 Videos

Similar Questions

Explore conceptually related problems

If |vec(A)xxvec(B)|=sqrt(3)vec(A).vec(B) , then the value of |vec(A)+vec(B)| is

If vec a and vec b are unit vectors,and theta is the angle between them,then |vec a-vec b|=

Let vec(a) and vec(b) be two unit vectors and theta is the angle between them. Then vec(a)+vec(b) is a unit vector if :

If vec a and vec b are two unit vectors and theta be the angle between them,then sin((theta)/(2))=

The angle between Vectors (vec(A)xxvec(B)) and (vec(B)xxvec(A)) is

The angle between vec(A)+vec(B) and vec(A)xxvec(B) is

vec A and vec B are two vectors and theta is the angle between them. If vec A. vec B=0, then which one of the following options is worng ?

If vec a and vec b are unit vectors and theta is the angle between them,then prove that cos[(theta)/(2)]=(1)/(2)|vec a+vec b|

If vec(a) and vec(b) are unit vectors and theta is the angle between them, then what is sin^(2)((theta)/(2)) equal to?

Let vec(a) and vec(b) be two unit vectors and α be the angle between them. If (vec(a) + vec(b)) is also the unit vectors, then what is the value of α ?

NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOTION IN TWO AND THREE DIMENSION-All Questions
  1. Six vector vec(a) through vec(f) have the magnitudes and direction ind...

    Text Solution

    |

  2. A particle of mass m is projected with velocity making an angle of 45^...

    Text Solution

    |

  3. vec(A) and vec(B) are two Vectors and theta is the angle between them,...

    Text Solution

    |

  4. A paricle starting from the origin (0,0) moves in a straight line in (...

    Text Solution

    |

  5. A car runs at a constant speed on a circulat track of radius 100 m. T...

    Text Solution

    |

  6. For angles of projection of a projectile at angle (45^(@) - theta) and...

    Text Solution

    |

  7. A stone tied to the end of string 1m long is whirled in a horizontal c...

    Text Solution

    |

  8. If a vector 2hat(i)+3hat(j)+8hat(k) is perpendicular to the vector 4ha...

    Text Solution

    |

  9. the circular motion of a particle with constant speed is

    Text Solution

    |

  10. If |AxxB| = sqrt3 A.B, then the value of |A+B| is

    Text Solution

    |

  11. The vector sum of two forces is perpendicular to their vector differen...

    Text Solution

    |

  12. A particle moves along a circle if radius (20 //pi) m with constant ta...

    Text Solution

    |

  13. A wheel of radius 1 m rolls forward half a revolution on a horizontal ...

    Text Solution

    |

  14. A stone is attached to one end of a straing and roteted in verticle cr...

    Text Solution

    |

  15. Two particle are projected with same initial velocities at an angle 30...

    Text Solution

    |

  16. What is the value of linear velocity, if vecomega=3hati-4hatj+hatk and...

    Text Solution

    |

  17. Person aiming to reach the exactly opposite point on the bank of a str...

    Text Solution

    |

  18. If a unit vector is represented by 0.5hati + 0.8hatj + chatk the value...

    Text Solution

    |

  19. A boat which has a speed of 5 km per hour in still water crosses a riv...

    Text Solution

    |

  20. Find the torque of a force vecF= -3hati+hatj+5hatk acting at the poin...

    Text Solution

    |