Thermal Radiation Flashcards
1
Q
What is ‘heat’ energy transferred as?
A
Infra red waves
2
Q
What are Infra Red Waves?
A
Transverse waves, electromagnetic wave
3
Q
How do electromagnetic waves travel?
A
The speed of light
4
Q
What do Red objects do?
A
They reflect red light and absorb all other coloured light
5
Q
What will a black object do?
A
Absorb everything and not reflect anything
6
Q
How is a white light made?
A
Made up from the colour spectrum
7
Q
List 3 things that emit thermal radiation
A
Radiators
Heaters
Irons
8
Q
What is Plastic?
A
A non conductor of heat