Iran Physics Cup

the international young physicists’tournament, iypt, is a theoretical and practical competition involves teams of five high school students from all over the world, preparing solutions to seventeen problems. the official language in iypt is english, and iypt is a member of wfphc (world federation of physics competition). iypt was initially organized in 80’s in moscow. as the popularity grew, this tournament spread out and different countries started to participate. these days, the competition attracts teams from nearly thirty countries and takes place in a different country each year. the rules for presentation of the results, opposition, reviewing and judgment by the independent jury are fixed in the regulations of iypt. during each physics fight (pf) students have not only to present their solution to one of the 17 problems as chosen by their opponent but they have to oppose the presentation of other students. the reporter then has to defend his solution against the opponent. the rev