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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]=[c][m]\frac{[c]}{[m]}×[ΔT]
and, L=Qm\frac{Q}{m}
⇒ They have different dimensions
The correct option is (D): Specific heat capacity and Latent heat