Question

Define athermanous substances and diathermanous substances.

Answer 1

Hey dear,

# Athermanous substances -

- Substances which allow transmission of infrared radiation through them are called athermanous substances.

- For example, wood, metal, CO2, water vapors, etc.

# Diathermanous substances -

- Substances which don't allow transmission of infrared radiation through them are called diathermanous substances.

- For example, rock salt, pure air, glass, etc.

Hope this helped you. Thanks for asking..