Question

Which of the following statement is incorrect?

• A. Distance cannot be negative or zero.
• B. Displacement can be positive, negative or zero.
• C. Average speed is always positive.
• D. Path length is a vector quantity whereas displacement is scalar quantity.

Answer 1

Answer: (D)

Statement given in option (d) is incorrect and it can be corrected as,
Path length is a scalar quantity as it has only magnitude but no direction whereas displacement has magnitude as well as direction, so displacement is vector quantity. Rest statements are correct.