Mathematical and Physical Journal
for High Schools
Issued by the MATFUND Foundation
 Already signed up? New to KöMaL?

Problem P. 4356. (May 2011)

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)?

(4 pont)

Deadline expired on June 10, 2011.

Sorry, the solution is available only in Hungarian. Google translation

Megoldás. $\displaystyle a)$ Igen, átjuthat.

$\displaystyle b)$ Nem jut át fény.

$\displaystyle c)$ A fény bizonyos hányada átjut.

Statistics:

 20 students sent a solution. 4 points: Agócs Fruzsina, Bolgár Dániel, Borszuk Adrienn, Czipó Bence, Damokos József, Dénes Benjámin, Hoffmann Hanna, Jéhn Zoltán, Juhász Péter, Kovács 255 Márton, Laczkó Zoltán Balázs, Pataki Bálint Ármin, Székely Eszter, Várnai Péter. 3 points: Pető János, Zahemszky Péter. 2 points: 2 students. 1 point: 2 students.

Problems in Physics of KöMaL, May 2011