Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Which of the following statements about the scalar product of two vectors A and B is correct?
A
The scalar product is zero if the vectors are perpendicular.
B
The scalar product has both magnitude and direction.
C
The scalar product obeys the associative law.
D
The scalar product can be negative if both vectors are non-zero.
Correct Answer
Option A
Detailed Explanation
The scalar product A . B is defined as A B cos θ, and it equals zero when the vectors A and B are perpendicular, as stated in the context. It does not have a direction, and it does not follow the associative law.
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