Question

Of the following pairs of physical quantities, which one is dimensionally odd?

• A. Stress and pressure
• B. Energy and work
• C. Young's modulus and stress
• D. Frequency and angle

Answer 1

The correct option is D Frequency and angle

All other pair have same dimensions while frequency and angle have different dimensions. The dimension of frequency is $\left[T^{-1}\right]$ while angle is a dimensionless quantity.