Q: Figure shows the orientation of two vectors u and v in the xy-plane.
If $\large u = a \hat{i} + b \hat{j}$ and $\large v = p \hat{i} + q \hat{j}$ ; 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
Ans: (b)