Define athermanous and substance diathermanous.

Define athermanous body.

Define diathermanous body.

Define: triple point of a substance.

The most lustrous substance

A substances may be athermanous or diathermanous for certain wavelength, while good absorber for other wavelength. Explain.

Fuse is made of a substance with

An electrolyte is a substance which

Athermanous bodies are those

Define permeability of a magnetic substance.

Select and write the most appropriate answer from the given alternatives for each sub-questions:- Diathermanous surface has