Multiple choice

If the dimensions of a physical quantity are given by [MxLyTz], then the physical quantity shall be

  1. Work if x = 1, y = 2, z = - 2

  2. Pressure if x = 1, y = - 1, z = 2

  3. Velocity if x = 0, y = 0, z = - 1

  4. Acceleration if x = 1, y = 1, z = - 2

  5. Acceleration if x = 1, y = 1, z = 0
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A Correct answer
Explanation

Work = force × displacement = mass × acceleration × displacement = [M][LT - 2][L] = [ML2T - 2] = [M x LyTz]... x = 1, y = 2, z  = - 2.

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