If hat n is unit vector in the directio...

If `hat n` is unit vector in the direction of the vector `vec A` then

A

`hatn = ( vec A)/( | vec A|) `

B

`hatn = vec A |vec A|`

C

`hat n =(|vec A | )/( vec A )`

D

`hatn = hatn xx vec A.`

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The correct Answer is:

A

Unit vector `= ("Vector ")/(" Magnitude of vector")`

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