Question

If two-unit vectors perpendicular to each other are added, magnitude of resultant will be:
(A) 2 (B) square root of 2
(C) square root of 1/2 (D) 4

Answer 1

Answer:

(B) square root of 2.

Explanation:

 The magnitude of the resultant vector is √2 times that of the component vectors and it is inclined at an angle of 45° to both the component vectors.