[{"question":"\u010co je prirodzen\u00fd zdroj svetla?","answers":["Mesiac","plame\u0148","Slnko","\u017eiarovka"],"correct":"Slnko","order":"1"},{"question":"Ak\u00fd je tvar sveteln\u00e9ho l\u00fa\u010da?","answers":["priamka","vlnovka","krivka","\u0161pir\u00e1la"],"correct":"priamka","order":"2"},{"question":"Ak\u00e9 pom\u00f4cky pou\u017eijete, aby ste uk\u00e1zali, ak\u00fd tvar m\u00e1 sveteln\u00fd l\u00fa\u010d?","answers":["tri \u0161tvor\u010dekov\u00e9 papier, \u017eiarovka","dva \u0161tvor\u010dekov\u00e9 papiere, \u017eiarovka","dve tienidl\u00e1 s otvorom v strede, \u017eiarovka","tri tienidl\u00e1 s otvorom v strede, \u017eiarovka"],"correct":"tri tienidl\u00e1 s otvorom v strede, \u017eiarovka","order":"3"},{"question":"Ktor\u00e9 sveteln\u00e9 l\u00fa\u010de sa \u0161\u00edria rovnobe\u017ene?","answers":["zo \u017eiarovky","slne\u010dn\u00e9","z plame\u0148a","ka\u017ed\u00e9"],"correct":"slne\u010dn\u00e9","order":"4"},{"question":"Ak\u00fdm smerom sa \u0161\u00edria sveteln\u00e9 l\u00fa\u010de z bl\u00edzkeho zdroja?","answers":["rovnobe\u017ene","rozbiehaj\u00fa sa","po vlnovk\u00e1ch","po \u0161pir\u00e1lach"],"correct":"rozbiehaj\u00fa sa","order":"5"},{"question":"Ak\u00fdm pokusom by ste prek\u00famali, ktor\u00fdm smerom sa \u0161\u00edria sveteln\u00e9 l\u00fa\u010de zo \u017eiarovky?","answers":["Tri tienidla s otvorom v strede usporidame za sebou tak, aby otvory le\u017eali na jednej priamke.","Dve tienidla d\u00e1me do r\u00f4znej vzdialenosti od zdroja.","Dva \u0161tvor\u010dekov\u00e9 papiere d\u00e1me do r\u00f4znej vzdialenosti od zdroja.","\u0160tvor\u010dekov\u00fd papier vz\u010fa\u013eujeme od tienidla s otvorom v strede."],"correct":"\u0160tvor\u010dekov\u00fd papier vz\u010fa\u013eujeme od tienidla s otvorom v strede.","order":"6"},{"question":"Ako sa men\u00ed ve\u013ekos\u0165 plochy osvetelenej slne\u010dn\u00fdm svetlom na \u0161tvor\u010dekovom papieri, ke\u010f papier vz\u010fa\u013eujeme od tienidla s otvorom?","answers":["nemen\u00ed sa","zv\u00e4\u010d\u0161uje sa","zmen\u0161uje sa","nevznikne osvetlen\u00e1 plocha"],"correct":"nemen\u00ed sa","order":"7"},{"question":"Ako sa men\u00ed ve\u013ekos\u0165 plochy osvetelenej svetlom \u017eiarovky na \u0161tvor\u010dekovom papieri, ke\u010f tri tienidla s otvorom d\u00e1me za sebou tak, aby otvory nele\u017eali na jednej priamke?","answers":["nemen\u00ed sa","zv\u00e4\u010d\u0161uje sa","zmen\u0161uje sa","nevznikne osvetlen\u00e1 plocha"],"correct":"nevznikne osvetlen\u00e1 plocha","order":"8"},{"question":"Kedy sa osvetlen\u00e1 plocha na \u0161tvor\u010dekovom papieri zv\u00e4\u010d\u0161uje?","answers":["Papier vz\u010fa\u013eujeme od tienidla s otvorom, ktor\u00fd je osvetlen\u00fd \u017eiarovkou.","Papier pribli\u017eujeme k tienidlu s otvorom, ktor\u00fd je osvetlen\u00fd \u017eiarovkou.","Papier pribli\u017eujeme k tienidlu s otvorom, ktor\u00fd je osvetlen\u00fd slne\u010dn\u00fdm svetlom.","Papier vz\u010fa\u013eujeme od tienidla s otvorom, ktor\u00fd je osvetlen\u00fd slne\u010dn\u00fdm svetlom."],"correct":"Papier vz\u010fa\u013eujeme od tienidla s otvorom, ktor\u00fd je osvetlen\u00fd \u017eiarovkou.","order":"9"},{"question":"Ako sa \u0161\u00edria sveteln\u00e9 l\u00fa\u010de zo Slnka, aj zo \u017eiarovky?","answers":["po krinke","rovnobe\u017ene","priamo\u010diaro","zbiehavo"],"correct":"priamo\u010diaro","order":"10"}]