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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 3 · Q20
Assertion (A): ( b · c ) a is a scalar quantity. Reason (R): Dot product of two vectors is a scalar quantity.
Assertion (A) : $\displaystyle (\overrightarrow{\mathrm{b}} \cdot \overrightarrow{\mathrm{c}}) \overrightarrow{\mathrm{a}}$ is a scalar quantity.
Reason (R) : Dot product of two vectors is a scalar quantity.
Official answer
(D)
Assertion (A) is false, but Reason (R) is true.
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