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PhysicsNEET 2024SI units, dimensions and dimensional analysis

Units and Measurements

The quantities which have the same dimensions as those of solid angle are:

  1. A.stress and angle
  2. B.strain and arc
  3. C.angular speed and stress
  4. D.strain and angle✓

Solution

Solid angle is a ratio of area to (length — dimensionless. Strain (length/length) and plane angle (arc/radius) are the two dimensionless quantities listed; stress has dimensions of pressure.

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