Question

Dulong and Petit's law is valid only for

• A. metals
• B. non-metals
• C. gaseous elements
• D. solid elements

Answer 1

Answer: (D)

This law is applicable only to solid elements except $Bc,B,C$ and $Si$, and according to this law,

Atomic weight $=\frac{6.4}{\text{ Specific heat }}$