Which of the following is correct regarding displacement?

CONCEPT:

• Displacement (S’): The minimum path length between starting point to final point is called displacement.

• Displacement is a vector quantity.
• It can be positive, negative or zero.
• The SI unit of displacement is meter (m).

EXPLANATION:

• The displacement is a vector quantity. So option 2 is correct.
• The displacement is the minimum path length between two points. So option 3 is wrong.