Q. Identify the correct statement (Solved)
1. All substances emit radiation the quality and quantity depends on the absolute temperature and properties of the material composing the radiating body
2. Only some substances emit radiation
3. Quality and quantity of radiation depends on the properties of the material only
4. A substance will emit radiation at a particular wavelength only
5. Bodies black in colour are known as black bodies in radiation
- a. All substances emit radiation the quality and quantity depends on the absolute temperature and properties of the material composing the radiating body