Radiation
- Created by: Annie
- Created on: 19-11-12 18:21
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- Radiation
- Radiation is a method of heat transfer
- Thermal Radiation is the transfer of electromagnetic waves
- They transfer waves due to electric/magnetic field vibrations
- Infrared Radiation
- It can travel through empty space or vacuum.
- Travels at speed of light - 300,000,000 m/s
- Greater difference in temperature - greater flow of energy
- Hot objects EMIT IR radiation Colder objects ABSORD IR Radiation
- If a temp of object remains constant then they are absorbing and emitting heat at same rate.
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