NEET Physics Scalar & Vector Products MCQ Question
What happens when a vector A is multiplied by a positive number λ?
The magnitude increases by λ and the direction remains the same.
The magnitude decreases by λ and the direction remains the same.
The magnitude remains the same and the direction changes.
The magnitude becomes zero and the direction is undefined.
Correct Answer
Detailed Explanation
When a vector A is multiplied by a positive number λ, its magnitude is scaled by λ while its direction remains unchanged, as mentioned in the context of multiplying vectors by real numbers.
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