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Which of the following is a unit vector ...

Which of the following is a unit vector ?

A

`2 hati`

B

`((sqrt(3)hati)/(2)+(hatj)/(2)) ms^(-1)`

C

5

D

`((3hati+4hatj))/(5)`

Text Solution

Verified by Experts

The correct Answer is:
D
Unit vector has magnitude = unity and no unit.
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