9. Researching economic alternatives to incandescent light bulb, investigating properties and comparative analysis

10. Tbilisi 2013

11. 1.Taking measurements to investigate the photometric properties of incandescent, fluorescent and diode lamps; 2.Evaluating the color temperature and the color rendering index and conditions observations across the light spectrum; 3.Assessing the impact of ultraviolet radiation produces by florescent and light- emitting diodes; 4.Ascertaining the economic effort of efficient alternatives for conventional light;

12. The human life expectancy with 60-70% depends on the quality of light and illuminance.

13. Incandescent bulb 100 W Fluorescent bulb 20 W LED bulb 9,5 W

14. Incandescent Bulb 100 W Fluorescent Bulb 20W LED Bulb 8w

16. de4f Color Rendering Index (CRI) - Ra Sun light 100 Incandescent lamp > 90 LED lamp 80-90 Fluorescent lamp 80-90

19. LED IncandescentFluorescent

22. Double-Glass Flask Bulb; Distance – 30 Cm; Protection Creams.

24. Georgian Lari 1 $ = 1.76 GEL

25. მცირე არ