Home
Class 11
PHYSICS
If vecP= vecQ then which of the followin...

If `vecP= vecQ` then which of the following is NOT correct?

A

`hat(P)= hat(Q)`

B

`|vec(P)| = |vec(Q)|`

C

`P hat(Q)= Q hat(P)`

D

`vec(P) + vec(Q) = hat(P) + hat(Q)`

Text Solution

Verified by Experts

The correct Answer is:
D

Given `vec(P)= vec(Q)`
`vec(P) + vec(Q)= P hat(P) + Q hat(Q)`
Promotional Banner

Topper's Solved these Questions

  • BASIC MATHEMATICS AND VECTORS

    ERRORLESS|Exercise NCERT Based Questions (Addition and Subtraction of Vectors )|34 Videos
  • BASIC MATHEMATICS AND VECTORS

    ERRORLESS|Exercise NCERT Based Questions (Multiplication of Vectors )|23 Videos
  • BASIC MATHEMATICS AND VECTORS

    ERRORLESS|Exercise Assertion & Reason|15 Videos
  • ELASTICITY

    ERRORLESS|Exercise ASSERTION & REASON |10 Videos

Similar Questions

Explore conceptually related problems

if vecP a+ vecQ =vec0 , then which of the following is necessarily true ?

If vecP xx vecQ= vecR , then which of the following statements is not true ?

Two vectors vecP and vecQ are inclined to each other at angle theta . Which of the following is the unit vector perpendicular to vecP and vecQ ?

if vecP +vecQ = vecP -vecQ , then

If vecP and vecQ denote the sides of parallelogram and its area is (1)/(2) PQ, then the angle between vecP and vecQ is

Given that P= Q = R . If vecP + vecQ = vecR then the angle between vecP & vecR is theta_1 . If vecP + vecQ + vecR=vec0 then the angle between vecP& vecR is theta_2 . What is the relation between theta_1 and theta_2 ?

If vecP.vecQ=PQ then angle between vecP and vecQ is

If vecP -vecQ - vecR=0 and the magnitudes of vecP, vecQ and vecR are 5 , 4 and 3 units respectively, the angle between vecP and vecR is

ERRORLESS-BASIC MATHEMATICS AND VECTORS-NCERT Based Questions (Fundamentals of Vectors)
  1. Find the vector that must be added to the vector hat(i)-3hat(j)+2hat(k...

    Text Solution

    |

  2. which of the following is not the vector quantity?

    Text Solution

    |

  3. Consider the quantities , pressure, power, energy impulse, gravitation...

    Text Solution

    |

  4. The X and Y components of a force F acting at 30^(@) to x-axis are res...

    Text Solution

    |

  5. The angle made by the vecotr vec(A)= hat(i)+hat(j) with x-axis is

    Text Solution

    |

  6. Any vector in an arbitrary direction can always be replaced by two (or...

    Text Solution

    |

  7. If vecP= vecQ then which of the following is NOT correct?

    Text Solution

    |

  8. Which of the following is independing of the choice of co-ordinate sys...

    Text Solution

    |

  9. With respect to a rectangular Cartesian coordinate system, three vecto...

    Text Solution

    |

  10. Surface area is

    Text Solution

    |

  11. Angular momentum is

    Text Solution

    |

  12. Two vectors are given by vec(A) = hat(i) + 2hat(j) + 2hat(k) and vec(B...

    Text Solution

    |

  13. Figure 2 (EP). 13 shows the orientation of two vectors vec u and vec ...

    Text Solution

    |

  14. The component of a vector r along X-axis will have maximum value if

    Text Solution

    |

  15. Vector vec(A) makes equal angles with x-,y-,and z-axis. Find the value...

    Text Solution

    |

  16. If vec(A)= 2hat(i)+4hat(j)-5hat(k) then the direction of cosins of the...

    Text Solution

    |

  17. If a vector vec(A) make angles alpha , beta and gamma, respectively ,...

    Text Solution

    |

  18. The angles with a vector hat(i)+hat(j)+sqrt(2hat(k)) makes with X,Y an...

    Text Solution

    |

  19. Two particles of masses m(1) and m(2) in projectile motion have veloci...

    Text Solution

    |

  20. The following sets of three vectors act on a body, whose resultant ...

    Text Solution

    |