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If \[\overrightarrow{a}\] is a non zero vector of magnitude ‘a’ and \[\lambda \] a non zero scalar, then \[\lambda \overrightarrow{a}\] is unit vector if (A) \[\lambda =1\] (B) \[\lambda =-1\] (C) \[a=\left| \lambda \right|\] (D) \[a=1/\left| \lambda \right|\]
If \[\overrightarrow{a}\] is a non zero vector of magnitude ‘a’ and \[\lambda \] a non zero scalar, then \[\lambda \overrightarrow{a}\] is unit vector if (A) \[\lambda =1\] (B) \[\lambda =-1\] (C) \[a=\left| \lambda \right|\] (D) \[a=1/\left| \lambda \right|\]
CBSE | Class 12 | Exercise 10.3 | Maths | NCERT | Vector Algebra
If \[\overrightarrow{a}\] is a non zero vector of magnitude ‘a’ and \[\lambda \] a non zero scalar, then \[\lambda \overrightarrow{a}\] is unit vector if (A) \[\lambda =1\] (B) \[\lambda =-1\] (C) \[a=\left| \lambda \right|\] (D) \[a=1/\left| \lambda \right|\]

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