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The resultant of the vectors A and B is ...

The resultant of the 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 `vecA" and "vecB` is :-

A

`120^(@)`

B

`150^(@)`

C

`135^(@)`

D

None of these

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The correct Answer is:
B
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