P. 4356. a) Two diffraction gratings are placed onto each other such that their slits are perpendicular to each other. Can light pass through them?
b) Two perpendicular polarisers are placed onto each. Can light pass through them?
c) What happens if a third polariser is placed between the two mentioned in question b)?
Deadline expired on 10 June 2011.
Google Translation (Sorry, the solution is published in Hungarian only.)
Megoldás. \(\displaystyle a)\) Igen, átjuthat.
\(\displaystyle b)\) Nem jut át fény.
\(\displaystyle c)\) A fény bizonyos hányada átjut.