[{"question":"Na\u010do sa pou\u017e\u00edvaj\u00fa zrkadl\u00e1 v periskope?","answers":["na zmenu smeru sveteln\u00fdch l\u00fa\u010dov lomom","na zmenu smeru sveteln\u00fdch l\u00fa\u010dou odrazom","na pohltenie sveteln\u00fdch l\u00fa\u010dou","nepou\u017e\u00edvaj\u00fa sa tam zrkadl\u00e1"],"correct":"na zmenu smeru sveteln\u00fdch l\u00fa\u010dou odrazom","order":"1"},{"question":"Pre\u010do sa periskop vyu\u017e\u00edva vo vojenstve?","answers":["umo\u017e\u0148uje vidie\u0165 farebn\u00e9 obrazy","nie je to pravda","umo\u017e\u0148uje vynorenie ponorky","umo\u017e\u0148uje v\u00fdh\u013ead bez toho, aby bol zasiahnut\u00fd pozorovate\u013e"],"correct":"umo\u017e\u0148uje v\u00fdh\u013ead bez toho, aby bol zasiahnut\u00fd pozorovate\u013e","order":"2"},{"question":"Pre\u010do jednoduch\u00fd periskop nem\u00f4\u017ee by\u0165 ve\u013emi dlh\u00fd?","answers":["ve\u013emi by sa zmen\u0161il zorn\u00fd uhol (ve\u013ekos\u0165 obrazu)","ve\u013emi by sa zv\u00e4\u010d\u0161il zorn\u00fd uhol (ve\u013ekos\u0165 obrazu)","je to nepraktick\u00e9","nie je to pravda"],"correct":"ve\u013emi by sa zmen\u0161il zorn\u00fd uhol (ve\u013ekos\u0165 obrazu)","order":"3"},{"question":"Pod ak\u00fdm uhlom musia by\u0165 umiestnen\u00e9 zrkadl\u00e1 v periskope?","answers":["75\u00b0","35\u00b0","90\u00b0","45\u00b0"],"correct":"45\u00b0","order":"4"},{"question":"Pre\u010do je obraz v periskope stranovo prevr\u00e1ten\u00fd?","answers":["lebo svetlo sa odr\u00e1\u017ea na zrkadle","lebo svetlo sa lom\u00ed na zrkadle","nie je to pravda","lebo vid\u00edme dolu hlavou"],"correct":"nie je to pravda","order":"5"},{"question":"\u010co sme potrebovali na v\u00fdrobu periskopu?","answers":["2 zrkadl\u00e1, lepenku, baliaci papier","3 zrkadl\u00e1, lepenku, baliaci papier","3 zrkadl\u00e1, lepiaca p\u00e1ska, farebn\u00e9 skl\u00ed\u010dka","2 zrkadl\u00e1, lepiaca p\u00e1ska, plastov\u00e1 f\u013ea\u0161a"],"correct":"2 zrkadl\u00e1, lepenku, baliaci papier","order":"6"},{"question":"Ktor\u00fd tvar sa pri poh\u013eade do kaleidoskopu opakuje?","answers":["kruh","trojuholn\u00edk","\u0161tvorec","kocka"],"correct":"trojuholn\u00edk","order":"7"},{"question":"\u010co vytv\u00e1ra v kaleidoskope r\u00f4zne obrazce?","answers":["lom svetla na zrkadl\u00e1ch","tvar zrkadiel","pohltenie svetla v zrkadl\u00e1ch","odraz svetla na zrkadl\u00e1ch"],"correct":"odraz svetla na zrkadl\u00e1ch","order":"8"},{"question":"Ak\u00fd je obr\u00e1zok v kaleidoskope?","answers":["chaotick\u00fd, vytvoren\u00fd z n\u00e1hodn\u00fdch odrazov","pravideln\u00fd, vytvoren\u00fd z trojuholn\u00edkov","chaotick\u00fd, vytvoren\u00fd z n\u00e1hodn\u00fdch trojuholn\u00edkov","pravideln\u00fd, vytvoren\u00fd z kruhov"],"correct":"pravideln\u00fd, vytvoren\u00fd z trojuholn\u00edkov","order":"9"},{"question":"Kde by ste pou\u017eili periskop?","answers":["na \u010d\u00edtanie knihy","na pozorovanie hviezd","na nazeranie cez vysok\u00fd plot","na pozorovanie farebn\u00fdch obrazcov"],"correct":"na nazeranie cez vysok\u00fd plot","order":"10"}]