[{"question":"Ak\u00fd tvar m\u00e1 rozptylka?","answers":["je hrub\u0161ia v strede","je hrub\u0161ia na okrajoch","gule","valca"],"correct":"je hrub\u0161ia na okrajoch","order":"1"},{"question":"Pod\u013ea \u010doho m\u00e1 rozptylka meno?","answers":["Pod\u013ea toho, \u017ee zmen\u0161uje predmety.","Pod\u013ea toho, \u017ee zv\u00e4\u010d\u0161uje predmety.","Pod\u013ea toho, \u017ee rozpty\u013euje sveteln\u00e9 l\u00fa\u010de do v\u0161etk\u00fdch str\u00e1n.","Pod\u013ea toho, \u017ee s\u00fastre\u010fuje sveteln\u00e9 l\u00fa\u010de do jedn\u00e9ho bodu."],"correct":"Pod\u013ea toho, \u017ee rozpty\u013euje sveteln\u00e9 l\u00fa\u010de do v\u0161etk\u00fdch str\u00e1n.","order":"2"},{"question":"Ako sa d\u00e1 n\u00e1js\u0165 ohnisko rozptylky?","answers":["Nakreslen\u00edmna papier tak, \u017ee pred\u013a\u017eime rozpt\u00fdlen\u00e9 l\u00fa\u010de.","Pokusom tak, \u017ee h\u013ead\u00e1me sveteln\u00fa bodku na tienidle.","Pokusom tak, \u017ee zmer\u00e1me vzdialenos\u0165 tienidla od rozptylky.","Nakreslen\u00edm na papier tak, \u017ee pred\u013a\u017eime rovnobe\u017en\u00e9 l\u00fa\u010de."],"correct":"Nakreslen\u00edmna papier tak, \u017ee pred\u013a\u017eime rozpt\u00fdlen\u00e9 l\u00fa\u010de.","order":"3"},{"question":"Pre\u010do rozptylka nevytvor\u00ed obraz plame\u0148a na tienidle?","answers":["Na vytvorenie obrazu mus\u00ed by\u0165 rozptylka aj tienidlo vo ve\u013emi ve\u013ekej vzdialenosti od plame\u0148a.","Na vytvorenie obrazu rozptylka potrebuje ve\u013emi siln\u00e9 svetlo.","Na vytvorenie obrazu sa musia l\u00fa\u010de spoji\u0165, ale rozptylka ich naopak rozpt\u00fdli.","Nie je to pravda."],"correct":"Na vytvorenie obrazu sa musia l\u00fa\u010de spoji\u0165, ale rozptylka ich naopak rozpt\u00fdli.","order":"4"},{"question":"Ak\u00fd obraz plame\u0148a vid\u00edme, ke\u010f sa pozrieme cez rozptylku?","answers":["zmen\u0161en\u00fd, priamy, neskuto\u010dn\u00fd","zv\u00e4\u010d\u0161en\u00fd, priamy, neskuto\u010dn\u00fd","zmen\u0161en\u00fd, prevr\u00e1ten\u00fd, neskuto\u010dn\u00fd","zmen\u0161en\u00fd, priamy, skuto\u010dn\u00fd"],"correct":"zmen\u0161en\u00fd, priamy, neskuto\u010dn\u00fd","order":"5"},{"question":"Ktor\u00e1 \u0161o\u0161ovka m\u00e1 men\u0161iu ohniskov\u00fa vzdialenos\u0165 f?","answers":["T\u00e1, ktor\u00e1 sp\u00e1ja sveteln\u00e9 l\u00fa\u010de.","Ned\u00e1 sa to ur\u010di\u0165.","T\u00e1, ktor\u00e1 menej l\u00e1me svetlo.","T\u00e1, ktor\u00e1 viac l\u00e1me svetlo."],"correct":"T\u00e1, ktor\u00e1 viac l\u00e1me svetlo.","order":"6"},{"question":"Ak\u00fd je vz\u0165ah medzi optickou mohutnos\u0165ou D a ohniskovou vzdialenos\u0165ou f?","answers":["D = f\/1","D = 1\/f","f = 1\/D","f = D\/1"],"correct":"D = 1\/f","order":"7"},{"question":"Okuliare maj\u00fa optick\u00fa mohutnos\u0165 -3 dioptrie. \u010co to znamen\u00e1?","answers":["v okuliaroch s\u00fa spojky s ohniskovou vzdialenos\u0165ou 3m","v okuliaroch s\u00fa rozptylky s ohniskovou vzdialenos\u0165ou 1\/3 m","v okuliaroch s\u00fa rozptylky s ohniskovou vzdialenos\u0165ou 3 m","v okuliaroch s\u00fa spojky s ohniskovou vzdialenos\u0165ou 1\/3 m"],"correct":"v okuliaroch s\u00fa rozptylky s ohniskovou vzdialenos\u0165ou 1\/3 m","order":"8"},{"question":"Kedy pribli\u017ene boli vyn\u00e1jdene okuliare?","answers":["rok 700","rok 200","rok 1800","rok 1300"],"correct":"rok 1300","order":"9"},{"question":"Kedy v okuliaroch za\u010dali pou\u017e\u00edva\u0165 optick\u00e9 sklo?","answers":["rok 700","rok 200","rok 1800","rok 1300"],"correct":"rok 1800","order":"10"}]