If a is non zero vector of modulus a and m is a non-zero scalar, then ma is a unit vector if [MP PET 2002]

If a is non zero vector of modulus a and m is a non-zero scalar, then

1.	If a is non zero vector of modulus a and m is a non-zero scalar, then ma is a unit vector if [MP PET 2002]
A.	\[m=\pm 1\]
B.	\[m=\,\,\|\mathbf{a}\|\]
C.	\[m=\frac{1}{\|\mathbf{a}\|}\]
D.	\[m=\pm \,2\]
Answer» D. \[m=\pm \,2\]

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If a is non zero vector of modulus a and m is a non-zero scalar, then ma is a unit vector if [MP PET 2002]

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