Across
- 4. An instrument used to see over or around obstacles using mirrors
- 6. A dark region formed when an object blocks light
- 8. Bouncing back of light from a smooth surface
- 10. Splitting of white light into its component colors
Down
- 1. The band of colors obtained when white light passes through a prism
- 2. The point where parallel rays converge or appear to diverge after reflection or refraction
- 3. Bending of light when it passes from one medium to another
- 5. A type of mirror that converges light rays to a point
- 7. A transparent optical element that disperses light into its spectrum
- 9. A type of lens that is thicker in the middle than at the edges
