Experiment of December 6, 2018:

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

Solution video:

Experiment:

Question:

What does Nr. Santa see if he now looks through the small hole?

A) He sees his finger sharp and a little darker

B) He sees his finger even more blurred, but brighter

C) He sees his finger unchanged blurred and somewhat darker

D) His finger is upside down