Home
Class 11
PHYSICS
If vecF1 and vecF2 are two vectors of eq...

If `vecF_1` and `vecF_2` are two vectors of equal magnitudes F such `abs(vecF_1.vecF_2)=abs(vecF_1 xx vecF_2)` then `abs(vecF_1 + vecF_2)` equal to

A

`sqrt(2+sqrt2)F`

B

2F

C

`Fsqrt2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • UNITS AND MEASUREMENT

    PATHFINDER|Exercise QUESTION BANK|30 Videos
  • WAVE MOTION AND SOUND -I & II

    PATHFINDER|Exercise QUESTION BANK|195 Videos

Similar Questions

Explore conceptually related problems

[vecaxx vecb " " vecc xx vecd " " vecexx vecf] is equal to

If z_1 and z_2 be two complex numbers such that abs(z_1+z_2)=abs(z_1) +abs(z_2) then the value of argz_1-argz_2 is equal to

If z_1 and z_2 be two complex numbers such that abszle1, absz_2le1, abs(z_1+iz_2)=abs(z_1-iz_2)=2 , then z_1 equals

If z_1 and z_2 are two complex no. st abs(z_1+z_2) = abs(z_1)+abs(z_2) then

At what angle the two forces (vecF_1 +vecF_2) and (vecF_1-vecF_2) act so that the resultant is of magnitude sqrt(2(F_1^2+F_2^2))

Let z_1 and z_2 are two complex nos s.t. abs(z_1) =abs(z_2)=1 then abs((z_1-z_2)/(1-z_1 barz_2)) is equal to

If z_1 and z_2 be two complex numbers such that abs((z_1-2z_2)/(2-z_1barz_2))=1 and abs(z_2) ne1 , what is the value of abs(z_1) ?

if z_1 and z_2 are two complex numbers such that absz_1lt1ltabsz_2 then prove that abs(1-z_1barz_2)/abs(z_1-z_2)lt1

Let z_1 nez_2 are two points in the Argand plane if a abs(z_1)=b abs(z_2) then point (az_1-bz_2)/(az_1+bz_2) lies

z_1 and z_2 be two complex no. then prove that abs(z_1+z_2)^2+abs(z_1-z_2)^2=2[abs(z_1)^2+abs(z_2)^2]

PATHFINDER-VECTOR-I AND VECTOR-II-QUESTION BANK
  1. A vector having magnitude 30 unit makes equal angles with each of X,Y ...

    Text Solution

    |

  2. If hatA is unit vector in a given direction then, the value of hatA.(d...

    Text Solution

    |

  3. If vecF1 and vecF2 are two vectors of equal magnitudes F such abs(vecF...

    Text Solution

    |

  4. If a vector vecp is making angles alpha,beta and gamma respectively wi...

    Text Solution

    |

  5. The volume V of a ball (solid sphere) of radius r is given by the func...

    Text Solution

    |

  6. Suppose that the function F is defined for all real numbers r by the f...

    Text Solution

    |

  7. A function f(x) is defined as f(x)=x^2+3. Find f(0),f(1), f(x^2), f(x+...

    Text Solution

    |

  8. If function F is defined for all real numbers x by the formula F(x)=x^...

    Text Solution

    |

  9. Convert 45^@ to radians.

    Text Solution

    |

  10. Convert pi/6 rad to degrees.

    Text Solution

    |

  11. Convert 30^@ to radians.

    Text Solution

    |

  12. vecF1 acts due east and vecF2 acts 60^@ north of east. Both have equal...

    Text Solution

    |

  13. Which of the following curves represents the equation x^2=-y ?

    Text Solution

    |

  14. The sum of infinite terms of the series 1-1/2+1/2^(2)-1/2^(3)+...... ...

    Text Solution

    |

  15. It is given that sin(A+B)=sinAcosB+cosAsinB Using this formula, r sin(...

    Text Solution

    |

  16. int0^b (dx)/(2x+5)=

    Text Solution

    |

  17. Force between two particles varies as F=K/r^2, when k is a constant an...

    Text Solution

    |

  18. The motion of the body falling from rest in a resisting medium is desc...

    Text Solution

    |

  19. A vector subtended angles alpha,beta and gamma with x,y and z axis res...

    Text Solution

    |

  20. Mark the incorrect equation :

    Text Solution

    |