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JAMB Physics 2013 Question 4

Question 4

Scalars and Vectors

The pair of physical quantities that are scalar only are

  1. A.volume and area.
  2. B.moment and momentum.
  3. C.length and displacement.
  4. D.impulse and time.
Show the answer and explanation

Answer: A (volume and area.)

Explanation

Volume and area have size only. Moment, momentum, displacement and impulse all have a direction, so they are vectors.