NEET Questions Solved


The resultant of two vectors A and B is perpendicular to the vector A and its magnitude is equal to half the magnitude of vector B. The angle between A and B is -

                        

(A)  120°

(B)  150°

(C)  135°

(D)  None of these

(B)

R= B Sinθ= B2             Sinθ= 12                   θ= 30°Angle between A & B= 180°-θ                                      = 180°-30°                                      = 150°

Difficulty Level:

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  • 34%
  • 23%
  • 10%