When two vectors are perpendicular, their a) Dot product is zero b) Cross product is zero c) Both are zero d) Both are not necessarily zero

When two vectors are perpendicular, their
a) Dot product is zero
b) Cross product is zero
c) Both are zero
d) Both are not necessarily zero
by

1 Answer

Answer :

Answer: a
Explanation: Dot product of two perpendicular vectors is given by A.B = |a||b|cos 90, which is zero.
Thus, dot product is zero and vectors are perpendicular.
by

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