Q.
Which of the following physical quantities do not have same dimensions?
2020
219
AIIMSAIIMS 2001Physical World, Units and Measurements
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Solution:
Pressure and stress both have the dimensions of Force/area. Strain and angle are both dimensionsless. Energy and work have the same dimensions force × distance.
Tension and surface tension refer to two different physical quantities and their dimensions are different. Tension is a force and surface tension is force per unit length.