[{"question":"Ponor\u00edme polovicu ceruzky \u0161ikmo do vody. Ako vid\u00edme ceruzku zhora?","answers":["zmen\u0161en\u00fa","zohnut\u00fa na hladine","zv\u00e4\u010d\u0161en\u00fa","zlomen\u00fa na hladine"],"correct":"zohnut\u00fa na hladine","order":"1"},{"question":"Ako sa pozer\u00e1me na ceruzku ponoren\u00fa z polovice do vody, ke\u010f ju vid\u00edme zlomen\u00fa pri hladine?","answers":["zboku","zhora","cez okuliare","cez zv\u00e4\u010d\u0161ovacie sklo"],"correct":"zboku","order":"2"},{"question":"Kde sa lomia sveteln\u00e9 l\u00fa\u010de?","answers":["v skle","vo vzduchu","vo vode","na rozhran\u00ed dvoch prostred\u00ed"],"correct":"na rozhran\u00ed dvoch prostred\u00ed","order":"3"},{"question":"Ako vieme zakresli\u0165 zdanliv\u00fa polohu ceruzky pri lome?","answers":["skr\u00e1time zlomen\u00e9 l\u00fa\u010de","pred\u013a\u017eime zlomen\u00e9 l\u00fa\u010de","skr\u00e1time e\u0161te nezlomen\u00e9 l\u00fa\u010de","pred\u013a\u017eime e\u0161te nezlomen\u00e9 l\u00fa\u010de"],"correct":"pred\u013a\u017eime zlomen\u00e9 l\u00fa\u010de","order":"4"},{"question":"Ak\u00fa il\u00faziu nevytv\u00e1ra lom svetla?","answers":["ryby\u010dku v akv\u00e1riu vid\u00edme dvakr\u00e1t","hlavu nad hladinou vody vid\u00edme oddelen\u00fa od tela, ktor\u00e9 je pod vodou","ceruzku ponoren\u00fa vo vode nevid\u00edme","ceruzku vid\u00edme na hladine zlomen\u00fa"],"correct":"ceruzku ponoren\u00fa vo vode nevid\u00edme","order":"5"},{"question":"Kedy sa sveteln\u00fd l\u00fa\u010d nelom\u00ed?","answers":["ak dopad\u00e1 komo na rozhranie","ak dopad\u00e1 \u0161ikmo na rozhranie","ak dopad\u00e1 \u0161ikmo do vody","ak dopad\u00e1 na sklo"],"correct":"ak dopad\u00e1 komo na rozhranie","order":"6"},{"question":"\u010co je to kolmica dopadu?","answers":["\u010diara kolm\u00e1 na zlomen\u00fd sveteln\u00fd l\u00fa\u010d","\u010diara kolm\u00e1 na hladinu vody","\u010diara kolm\u00e1 na rozhranie v mieste kde dopad\u00e1 sveteln\u00fd l\u00fa\u010d","\u010diara kolm\u00e1 na sveteln\u00fd l\u00fa\u010d, ktor\u00fd dopad\u00e1 na rozhranie"],"correct":"\u010diara kolm\u00e1 na rozhranie v mieste kde dopad\u00e1 sveteln\u00fd l\u00fa\u010d","order":"7"},{"question":"Ako mer\u00e1me uhly, ak chceme presk\u00fama\u0165 lom sveteln\u00fdch l\u00fa\u010dov?","answers":["od rozkrania ku kolmici dopadu","od l\u00fa\u010da ku kolmici dopadu","od rozhrania k l\u00fa\u010du","od dopadaj\u00faceho l\u00fa\u010da k zlomen\u00e9mu l\u00fa\u010du"],"correct":"od l\u00fa\u010da ku kolmici dopadu","order":"8"},{"question":"Kedy nast\u00e1va \u00fapln\u00fd odraz?","answers":["pri ve\u013emi malom uhle lomu","ke\u010f sa u\u017e v\u0161etky l\u00fa\u010de len lomia a ni\u010d sa neodr\u00e1\u017ea","pri ve\u013emi malom uhle dopadu","ke\u010f je dopadaj\u00faci l\u00fa\u010d u\u017e ve\u013emi naklonen\u00fd k rozhraniu"],"correct":"ke\u010f je dopadaj\u00faci l\u00fa\u010d u\u017e ve\u013emi naklonen\u00fd k rozhraniu","order":"9"},{"question":"Ako funguje optick\u00e9 vl\u00e1kno?","answers":["vytv\u00e1ra il\u00fazou v\u010faka \u00fapln\u00e9mu odrazu","vytv\u00e1ra il\u00faziu v\u010faka lomu","vedie svetlo v\u010faka \u00fapln\u00e9mu odrazu","vedie svetlo v\u010faka lomu"],"correct":"vedie svetlo v\u010faka \u00fapln\u00e9mu odrazu","order":"10"}]