1. Incandescent light bulb: Uses a filament heated to incandescence by electricity.

2. Halogen light bulb: Similar to incandescent but with halogen gas to improve efficiency and lifespan.

3. Fluorescent light bulb: Uses a gas discharge to create ultraviolet light, which excites a phosphor coating to produce visible light.

4. LED light bulb: Uses semiconductor diodes that emit light when electricity flows through them.

5. Neon light: Uses a gas discharge in a glass tube to produce a colored light.

6. Laser: Emits coherent light through stimulated emission of photons.

7. Plasma lamp: Uses a plasma discharge to create light and decorative effects.

8. Streetlight: A type of outdoor light, often using high-pressure sodium or LED technology.

9. Headlight: A light source used in vehicles for illumination.

10. Computer monitor: Uses backlighting and a screen to produce images.