\[\mathbf{a}\,.\,\mathbf{b}=0,\] then [RPET 1995]

1.	\[\mathbf{a}\,.\,\mathbf{b}=0,\] then [RPET 1995]
A.	\[\mathbf{a}\,\bot \,\mathbf{b}\]
B.	a \|\| b
C.	Angle between a and b is \[{{60}^{o}}\]
D.	None of these
Answer» B. a \|\| b

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\[\mathbf{a}\,.\,\mathbf{b}=0,\] then [RPET 1995]

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