Across
- 1. These are photoreceptor cells that aid in determining colour.
- 3. This is a thin glass tube that can transmit light very flexibly (even around corners).
- 4. Through a prism, light is split into the colours of the rainbow. This range of colours of light is called _____
- 5. This is the measure of how much larger or smaller an image is when compared to the object.
- 6. _____ lenses lie on the cornea to assist with vision.
- 7. The outer, transparent surface of the eye is called the _____
- 8. This type of material absorbs and reflects almost no light.
- 10. This light source provides the backlight for an iPhone.
- 13. The _____ light bulb is more efficient than an incandescent light bulb.
- 15. In the _____ colour theory, cyan, magenta, and yellow are the primary colours.
- 16. This is the appearance of the bending of light rays when they pass between mediums of different densities.
- 17. These types of waves have the lowest frequency and the longest wavelength on the electromagnetic spectrum.
- 21. _____ reflection can only occur when light rays travel from a denser medium toward a less dense medium.
- 22. A _____ mirror is used for a store security mirror.
- 23. This is also known as a converging mirror.
Down
- 1. This type of light is produced when someone bends a glowstick.
- 2. This is also called the refractive index.
- 9. This is the ability of a species to produce light by itself.
- 11. This imaginary line is perpendicular to the mirror at the point of reflection.
- 12. This reflection occurs on an uneven surface like tinfoil.
- 14. A _____ image would appear if someone placed a piece of paper at the location of converging light rays.
- 18. This undulation transfers energy from one point to another.
- 19. A convex _____ can be used as a magnifying glass.
- 20. This mirror is completely straight.