Question

Which of the following pairs of physical quantities does not have same dimensional formula?

• A. Work and torque
• B. Angular momentum and Plank’s constant
• C. Tension and surface tension
• D. Impulse and linear momentum

Answer 1

Answer: (C)

Tension and surface tension

Answer 2

[Tension] $= \lbrack MLT^{- 2}\rbrack$

[Surface tension] $= \frac{\lbrack MLT^{- 2}\rbrack}{\lbrack L\rbrack} = \lbrack ML^{0}T^{- 2}\rbrack$