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Q: A vector quantity has both magnitude and direction, whereas a scalar quantity has only magnitude and no direction. Which of the following is a vector quantity?
  • A. Work
  • B. Speed
  • C. Displacement
  • D. Energy
Correct Answer: Option C - Vector Quantity– The physical quantities which need both magnitude and direction for their complete description are called 'vectors' or 'vector quantities'. Displacement, velocity, force, etc. are all vector quantities.
C. Vector Quantity– The physical quantities which need both magnitude and direction for their complete description are called 'vectors' or 'vector quantities'. Displacement, velocity, force, etc. are all vector quantities.

Explanations:

Vector Quantity– The physical quantities which need both magnitude and direction for their complete description are called 'vectors' or 'vector quantities'. Displacement, velocity, force, etc. are all vector quantities.