Q. 5

# Mark (√) against the correct answer in each of the following:

The vector is a

A. null vector

B. unit vector

C. a constant vector

D. none of these

Answer :

Tip – Magnitude of a vector is given by

A unit vector is a vector whose magnitude = 1.

Formula to be used -

Hence, magnitude of will be given by

= 1 i.e a unit vector

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