Electromagnetic Spectrum

2. The colour that absorbs all light.
5. Night-vision goggles detect this type of radiation.
8. The number of waves that pass a given point per second.
12. The type of radiation with the longest wavelength.
13. The type of radiation found in sunlight.
16. The height of the crest above their normal (starting point).
17. The fluid in the middle of the eye that gives the eye bulk is called the ______________ humour.

1. The light ray coming into a mirror is known as the ____________ ray.
3. This type of mirror will cause the light rays to spread out after being reflected off the surface.
4. This type of lens will cause the light rays to spread out (or diverge).
6. The inner layer of the back of the eye which detects images.
7. Bending of light.
9. Used to detect broken bones and damaged tissue in the body.
10. The bottom of a wave.
11. The distance between two crests of a wave.
14. "Angle of incidence = Angle of reflection" is known as the law of __________.
15. Light will _________ off a mirrored surface.