5. Conclusion

We have come to the conclusion that the LED bulb has the best luminosity-temperature ratio (lux/°C) as compared to incandescent and fluorescent bulbs. The incandescent bulb emitted the most light but also had the highest surface temperature (Average 108°C (3 S.F.)), which was high enough to be considered unsafe. The fluorescent bulb had the second highest luminosity but had a surface temperature comparable to the incandescent bulb.The LED bulb had the lowest luminosity, but was still comparable to the fluorescent bulb. The surface temperature of the LED bulb was far lower than that of the fluorescent and incandescent bulbs. From this, we concluded that the LED bulb is the most efficient bulb of the three.


Note: 'Best' surface temperature : light emitted ratio refers to lowest surface temperature for highest luminosity.


6.1 - Practical Applications


With our experiment, we believe that SST should switch to LED bulbs. Since LED bulbs have a lower surface temperature, they would safer to use. Also, LED bulbs have the most light emitted and the highest luminosity-temperature ratio, so you can use less LED bulbs to brighten up the place instead of when you use incandescent or fluorescent bulbs, saving the most electricity in the process as well.


6.2 - Areas for Further Study

We can experiment on more of the different types of bulbs (e.g. halogen bulbs) to achieve more comprehensive results. Also, research can be done on how other factors affect the luminosity-temperature ratio (lux/°C)

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