Optical phenomena that can be photographed?

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For a physics project on optical phenomena, total internal reflection and interference patterns can be easily photographed. Interference can be observed using oil on water or soap bubbles, while diffraction can be captured by using a diffraction grating with light. Additionally, capturing light in infrared and ultraviolet wavelengths is possible with the right equipment. The discussion emphasizes that anything visible can potentially be photographed. This project offers a variety of engaging optical phenomena to explore.
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Hey, I am doing this physics project where we have to take pictures of various optical phenomena.

I was wondering what kind of phenomena can be photographed easily. One thing I thought of was total internal reflection, but I'm pretty much stuck on everything else. I need two different kinds of optical phenomena for this project...

Can anyone help me out here?

Thanks in advance =)
 
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Interference can be easily photographed by looking at some oil on water. The oil forms a thin film causing the interference. Also can be done with some soap bubbles or something.
 
Putting a camera in front of a diffraction grating and pointing it at some light is quite fun. I remember doing that in my physics lab.
 
Whatever can be seen can be photographed. Furthermore, with the right instruments, you can photograph light in the infrared and ultraviolet wavelengths. Eyeballs are very much similar to cameras.
 
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