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When white light passes through a prism, it refracts and separates into the visible color spectrum of red, orange, yellow, green, blue, indigo, and violet. This document discusses the refraction of light through prisms and how rainbows are formed by the reflection and refraction of sunlight within water droplets in the sky. It aims to correct the misconception that rainbows are produced by only one droplet and provides links to videos explaining how to make rainbows and why the man stands with his back to the sun to see one.
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UIIT presentation
- 2. You will have one Glass prism, screen and ray-box Try to set your apparatus as you like Questions what will you observe after your setting? If you are scientist, what hypothesis will you suggest?
- 3. When white light pass the prism, the light will refract and disperse into seven colours. White light is a mixture of coloured lights. They are red, orange, yellow, green, indigo, blue and violet. This is called colour spectrum.
- 4. How to make rainbow by yourself? http://hk.youtube.com/watch?v=fIbxHqPyF2U
- 5. Why does the man stand against the sunlight when he is making the rainbow? Answer: Only when the sun light from our backside can produce totally internal reflection, and received by ours eyes.
- 6. Misconception Rainbow is produced just by one droplet