Solving Attenuation Coursework Problem for Salters A2 Physics

[O_oSam]

The Problem
I'm doing Salters A2 Physics coursework. Have chosen to do attenuation of projector slides but need some help with project variation. I feel that just finding an attenuation coefficient for the material that the slides are made from will give me few measurments and therefore not maximise my potential marks.

Will there be any difference in the attenuation coefficient for different wavelengths of light? If this is worth investigating should I use a filter on the light source or coloured slides?

How else can I increase the diversity of my investigation?

 

[BigJDubs]

SolutionThere are several ways to increase the diversity of your investigation. 1. Vary the thickness of the slides - You could use a variety of slide thicknesses to see if this has any effect on the attenuation coefficient.2. Vary the light source - Instead of just using one type of light source, you could try using different types of light sources such as LED, fluorescent or incandescent light. This will allow you to compare the results and draw conclusions about which type of light source produces the best results.3. Consider using different materials for the slides - You could investigate how different materials such as plastic, glass or metal affect the attenuation coefficient. This can help you determine which material is best for projecting slides.4. Test different colours - You could test different colours of slides to see if there is any variation in the attenuation coefficient. You could also use filters on the light source to change the wavelength of light being emitted. This will allow you to compare the results of different wavelengths of light.5. Consider other factors - You could also consider other factors such as temperature, humidity or air pressure to see if they have any effect on the results.By exploring these various options, you can increase the diversity of your investigation and maximize your potential marks.