Solution video for calendar door number 13:

Calendar door number 13

The question is:

Describe this rainbow.

Latest submission time: Monday 14 December, 2015, 23:00 PM

Unfortunately, a solution for this question can no longer be submitted!

Correct answer Answer
A) She sees a rainbow segment on her table, with the colours arranged in such a way that red is closest and blue is further away from the glass.

Answer
B) She sees a rainbow segment on her table, with the colours arranged in such a way that blue is closest and red is further away from the glass.

Answer
C) She sees a rainbow segment on her table, where radial beams of light are filled with alternating spectral colours.

Answer
D) She sees a rainbow segment on her table, with the colour blue on one side of the glass and the colour red on the opposite side.