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
