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If hat i and hat j are unit vectors alo...

If `hat i` and `hat j` are unit vectors along mutually perpendicular directions then the magnitude of `hat i- hat j` is :

A

0

B

`sqrt(2)`

C

1

D

2

Text Solution

Verified by Experts

The correct Answer is:
B
`|hat i-hatj|=sqrt(1+1+cos 90^(@))=sqrt(2)`.
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