The resultant of bar(u) and bar(v) is perpendicular to bar(u) and has a magnitude equal to half of the magnitude of bar(v). The angle between bar(u) " & " bar(v) is

The resultant of bar(u) and bar(v) is perpendicular to bar(u) and has

1.	The resultant of bar(u) and bar(v) is perpendicular to bar(u) and has a magnitude equal to half of the magnitude of bar(v). The angle between bar(u) " & " bar(v) is
Answer» `120^(@)` `150^(@)` `90^(@)` `60^(@)` Answer :B