1. in what state do the particles have the most energy?
1 of 19
Other questions in this quiz
2. What surfaces are good emitters and absorbers of infra-red radiation?
- dark, matte surfaces
- light surfaces
- shiny surfaces
- smooth surfaces
3. What, apart from particles carries kinetic energy through metals?
- the current
- free electrons
4. what is the angle of incidence equal to?
- the angle from the mirror to the normal
- the angle of reflection
- the sine rule of the angle
- the angle of refraction
5. what voltage is supplied to homes?