Across
- 5. When light changes speed and direction
- 8. the way in which light travels
- 9. the angle of incidence is equal to the angle of
- 10. Lens that corrects for short-sightedness and looks like and hourglass
Down
- 1. splitting light into a spectrum of colour
- 2. these let certain colours of light pass through but absorb all other colours
- 3. this type of radiation can look at broken bones
- 4. this type of radiation can heat up food
- 6. this radiation can give you a tan and detect fraudulent bank notes
- 7. Lens that curves outwards and corrects for long-sightedness