NEET Physics Scalar & Vector Products MCQ Question
Which of the following statements about scalar and vector products is correct?
A vector multiplied by a positive number retains its direction.
A scalar product of two vectors results in a vector.
Unit vectors have both magnitude and direction.
The magnitude of a vector can be negative if multiplied by a negative number.
Correct Answer
Detailed Explanation
A vector multiplied by a positive number retains its direction, while a scalar product results in a scalar, not a vector. Unit vectors have magnitude 1 but only indicate direction, and the magnitude of a vector is never negative, though its direction can be reversed.
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