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Which of Walter Lewin's rainbow questions can you answer?
1 - What is the colour sequence (from outside to inside)?
2 - What is the angular radius of the bow?
3 - What is the angular length of the bow?
4 - What is the angular width of the bow?
5 - How does the light intensity inside the bow compare with outside the bow?
6 - When is the best time of day to see rainbows?
7 - In which directions can you see rainbows (North, East, South or West)?
8 - How many bows are there?
9 - If there are two, where is the secondary bow?
10 - If there are two, what is the colour sequence (from outside to inside) of the secondary bow?
11 - If there are two, what is the angular radius of the secondary bow?
12 - If there are two, what is the angular width of the secondary bow?
13 - Is the light from the bows polarised?
14 - If so, what are the directions of polarisation?
15 - If so, are they weakly or strongly polarised?
Posted 7 years.
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