Home
Class 11
PHYSICS
If vecA=3hati+2hatj-4hatk and vecB=5hati...

If `vecA=3hati+2hatj-4hatk and vecB=5hati-7hatj+2hatk,` which vector when added to `vecA+vecB` will given unit vector along X-axis?

A

`7hati+5hatj+2hatk`

B

`-7hati-5hatj+2hatk`

C

`-7hati+5hatj+2hatk`

D

`7hati+5hatj-2hatk`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Critical Thinking|36 Videos

  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Competitive Thinking|64 Videos

  • REFRACTION OF LIGHT

    TARGET PUBLICATION|Exercise EVALUATION TEST|12 Videos

Similar Questions

Explore conceptually related problems

If veca=3hati+hatj-4hatk and vecb=6hati+5hatj-2hatk find |veca Xvecb|

vecA=4hati+4hatj-4hatk and vecB=3hati+hatj+4hatk , then angle between vectors vecA and vecB is

If veca=hati+2hatj-hatk and vecb=3hati+hatj-hatk find a unit vector int direction of veca-vecb .

Given vecA=hati+2hatj-3hatk , when vecB is added to vecA , we get unit vector along x-axis then vecB is:-

If vecA=3hati+hatj+2hatk and vecB=2hati-2hatj+4hatk , then value of |vecA+vecB| will be

If vecA=5hati-2hatj+3hatk and vecB=2hati+hatj+2hatk , component of vecB along vecA is

If vecA= 3hati+2hatj and vecB= 2hati+ 3hatj-hatk , then find a unit vector along (vecA-vecB) .

If vecA=9hati-7hatj+5hatk and vecB=3hati-2hatj-6hatk then the value of (vecA+vecB).(vecA-vecB) is

If vecA=2hati+3hatj-hatk and vecB=-hati+3hatj+4hatk then projection of vecA on vecB will be

TARGET PUBLICATION-SCALARS AND VECTORS-Evaluation Test
  1. If vecA=3hati+2hatj-4hatk and vecB=5hati-7hatj+2hatk, which vector whe...

    Text Solution

    |

  2. A force vec(F) = 4hat(i) + 3hat(j) - 2hat(k) is passing through the or...

    Text Solution

    |

  3. Assertion: If vec(a) = hat(i) + 2hat(j) - 2hat(k), vec(b) = 2hat(i) + ...

    Text Solution

    |

  4. Two forces of magnitudes 3 N and 5 N act at the same point on an objec...

    Text Solution

    |

  5. If vec(A) is a vector of magnitude 3 units due east. What is the magni...

    Text Solution

    |

  6. A body constrained to move in Y direction, is subjected to a force giv...

    Text Solution

    |

  7. Choose the incorrect option. The two vectors vec(P) and (Q) are dra...

    Text Solution

    |

  8. When vector hat(n) = ahat(i) + bhat(j) is perpendicular to (2hat(i) + ...

    Text Solution

    |

  9. A force of -4Fhat(K) acts O, the origin of the coordinate system. The ...

    Text Solution

    |

  10. If hat(i), hat(j) and hat(k) are unit vectors along x,y and z-axis res...

    Text Solution

    |

  11. vec(A)and vec(B) are the two vectors such that ratio their dot product...

    Text Solution

    |

  12. Two vectors vec(A) and vec(B) lie in plane, another vector vec(C ) lie...

    Text Solution

    |

  13. A particle acted upon by constant forces 5hat(i) + hat(j) - 2hat(k) an...

    Text Solution

    |

  14. The x and y components of vectors vec(A) are 4 m and 6 m respectively...

    Text Solution

    |

  15. The angel subtended by the vector A = 6hat(i) + 3hat(j) + 4hat(k) with...

    Text Solution

    |

  16. A particle moves in the x-y plane under the action of a force vec(F) s...

    Text Solution

    |

  17. Given vec(A) = 3hat(i) + 2hat(j) and vec(B) = hat(i) + hat(j). The com...

    Text Solution

    |

  18. A vector vec(A) is along the positive x-axis and its vector product w...

    Text Solution

    |

  19. What is the area of the triangle formed by sides vec(A) = 2hat(i) - 3h...

    Text Solution

    |

  20. The component of vector vec(A) = a(x) hat(i) + a(y) hat(j) + a(z) hat(...

    Text Solution

    |