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0 votes
1.1k views
in Physics by (37.6k points)
edited by

The expression 1/√2 (i + j) is a 

(A) unit vector 

(B) null vector 

(C) vector of magnitude √2

(D) scalar

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1 Answer

+1 vote
by (36.8k points)

Correct option is: (A) unit vector

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