Which of the following sets cannot enter into dimensional analysis?

Question

Accepted Answer

The correct answer is Torque and Work. Wait, torque and work have the same dimensions. Let's check: Angle and Strain are dimensionless, but what about 'Frequency and wavelength'? They have different dimensions. Actually, quantities having different dimensions cannot be added or subtracted. The question refers to the principle of homogeneity.

Units and Measurements

❓ Sibling Questions in this Chapter