Question

The correct order of the substances in decreasing order of conductivity of heat is

• A. Copper>Water>Wood>Silver
  
• B. Wood>Copper>Silver>Water
  
• C. Water>Copper>Silver>Wood
  
• D. Silver>Copper>Water>Wood

Answer 1

The correct option is D

Silver>Copper>Water>Wood

Thermal conductivity is the property of a material to conduct heat.

Generally, metals are good conductors of heat while non-metals are bad conductors of heat.

Some common substances in decreasing order of conductivity of heat is given below
Silver>Copper>Gold>Aluminium>Zinc>Brass>Water>Rubber>Wood