If $\to a$ and $\to b$ two collinear vectors then which of the following are incorrect

\to b = λ \to a

for some scalar

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\to a = \pm \to b

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The respective components of

\to a

and

\to b

are proportional

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Both the vectors

\to a

and

\to b

have same direction, but different magnitude.

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Solution

The correct option is C Both the vectors $\to a$ and $\to b$ have same direction, but different magnitude.
$\to a$ and $\to b \to$ Collinear Vector
$\Rightarrow \to b = λ \to a$
$\to a = \pm \to b$
$\to a$ and $\to b$ are proportional.
They are collinear.
They need not be in same direction.
Hence, the answer is Both the vactors $\to a$ and $\to b$ have same direction, but different magnitude.

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Similar questions

If a and b are two collinear vectors, then which of the following are incorrect:
(a) b = $λ a$ , for some scalar $λ$
(b) $^a = \pm^b$
(c) The respective components of a and b are proportional.
(d) Both the vectors a and b have same direction but different magnitudes.