Experiment of December 10, 2022:

The time to submit an answer is over. You can now view the solution of the experiment.

Solution video:

Experiment:

The following file is needed for the experiment: PiA2022_Experiment_10.pdf.

Question:

What does Mr. Santa observe when he looks very closely at the water drops on the screen?

A) The drops appear like small, white luminous points.

B) Small red, green or blue luminous points appear in the drops, depending on the angle of view.

C) All the water drops glow red.

D) Dark spots form in the places of the water drops.