Home Physics Vectors Basic Mathematics If is a unit vector in the direction of the…
Physics Vectors Basic Mathematics MCQ (Single Correct)

If is a unit vector in the direction of the vector , then -

A
B

C
D

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The correct answer is:
A

If is a unit vector in the direction of vector , then:

because a unit vector is obtained by dividing the vector by its magnitude.
So the correct answer is:

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