Calendar door number 16

The question is:

What does he observe when he looks at the water drops very closely from the side opposite to the lamp?

Latest submission time: Wednesday 16 December, 2015, 23:00 PM

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

Answer
A) The water drops take the shape of a lentil, the coloured pattern originates from the CD.

Answer
B) The water drops take the shape of a lentil, the coloured pattern originates from the water droplets.

Correct answer Answer
C) The water drops take a spherical shape, the coloured pattern originates from the CD.

Answer
D) The water drops take a spherical shape, the coloured pattern originates from the water droplets.