Home
Class 12
PHYSICS
Figure shows the orientation of two vect...

Figure shows the orientation of two vectors u and v in the XY-plane If `u = ahati + bhatj` and `v =phati + qhatj`

which of the following is correct ?

A

a and p are positive while b and q are negative

B

a, p and b are positive while q is negative

C

a, q and b are positive while p is negative.

D

a, b, p and q are all positive.

Text Solution

Verified by Experts

The correct Answer is:
B
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Figure shows the orientation of two vectors u and v in the XY plane. if vecu=ahati+bhatj and vecv=p hati+qhatj which of the following is correct?

Figure shows the orientation of two vectors u and v in the XY plane. if vecu=ahati+bhatj and vecv=p hati+qhatj which of the following is correct?

Knowledge Check

  • For all real numbers s,t,u and v such that s+t +u = 29 and s < v, which of the following statement is true ?

    A
    s+t+vlt29
    B
    t+u+v gt29
    C
    s+t+v=29
    D
    s+t+v=29

    • Similar Questions

    Explore conceptually related problems

    A particle of mass m with an initial velocity u hati+2u hatj collides with a particle of mass 3m at rest. After collision, the two particles stick together and the combined particle moves with a velocity v hati+v' hatj . Which of the following is incorrect?

    Let vecu = u_(1)hati + u_(2)hatj +u_(3)hatk be a unit vector in R^(3) and vecw = 1/sqrt6 ( hati + hatj + 2hatk) , Given that there exists a vector vecv " in " R^(3) such that | vecu xx vecv| =1 and vecw . ( vecu xx vecv) =1 which of the following statements is correct ? (a)there is exactly one choice for such vecv (b)there are infinitely many choices for such vecv (c)if hatu lies in the xy - plane then |u_(1)|=|u_(2)| (d)if hatu lies in the xz-plane then 2|u_(1)|=|u_(3)|

    Verify the correctness of the equations v = u + at .

    If V and u are electric potential and energy density, respectively, at a distance r from a positive point charge, then which of the following graph is correct ?

    The molecular velocities of two gases at same temperature are u_(1) and u_(2) , their masses are m_(1) and m_(2) respectively, which of the following expression is correct ?

    The molecular velocities of two gases at same temperature are u_(1) and u_(2) , their masses are m_(1) and m_(2) respectively, which of the following expression is correct ?

    The distance v of the real image formed by a convex lens is measured for various object distance u. A graph is poltted between v and u, which one of the following graphs is correct

    Home
    Profile