Question
Physics Question on Dimensional Analysis
Identify the pair of physical quantities which have different dimensions.
A
Wave number and Rydberg’s constant
B
Stress and Coefficient of elasticity
C
Coercivity and Magnetisation
D
Specific heat capacity and Latent heat
Answer
Specific heat capacity and Latent heat
Explanation
Solution
[S]=[m][c]×[ΔT]
and, L=mQ
⇒ They have different dimensions
The correct option is (D): Specific heat capacity and Latent heat