[{"question":"V\u00a0optick\u00fdch vl\u00e1knach sa vyu\u017e\u00edva:","answers":["lom svetla","polariz\u00e1cia svetla","\u00fapln\u00fd odraz svetla","odraz svetla"],"correct":"\u00fapln\u00fd odraz svetla","order":"1"},{"question":"Pri lome svetla na optickom hranole sa najviac l\u00e1me:","answers":["fialov\u00e9 svetlo","\u010derven\u00e9 svetlo","modr\u00e9 svetlo","v\u0161etky svetl\u00e1 rovnako"],"correct":"fialov\u00e9 svetlo","order":"2"},{"question":"Medzn\u00fd uhol pri \u00faplnom odraze vypo\u010d\u00edtame","answers":["sin am = n","cos am = n","am = 1 \/ n","sin am = 1 \/ n"],"correct":"sin am = 1 \/ n","order":"3"},{"question":"Disperzia svetla je z\u00e1vislos\u0165","answers":["r\u00fdchlosti svetla od prostredia","vlnovej d\u013a\u017eky svetla od prostredia","r\u00fdchlosti svetla od jeho frekvencie","vlnovej d\u013a\u017eky od zdroja svetla"],"correct":"r\u00fdchlosti svetla od jeho frekvencie","order":"4"},{"question":"R\u00fdchlos\u0165 svetla vo vzduchu je","answers":["300 000 km \/ s","3. 108 km \/ h","3. 108 m \/ h","3. 108 km \/ s"],"correct":"300 000 km \/ s","order":"5"},{"question":"Svetlo je EMV s\u00a0vlnovou d\u013a\u017ekou","answers":["(0,380 \u2013 0,780 )nm","( 380 \u2013 780 )nm","( 0,0380 \u2013 0,0780 ) mm","( 380 \u2013 780 ) mm"],"correct":"(0,380 \u2013 0,780 )nm","order":"6"},{"question":"Index lomu prostredia je definovan\u00fd","answers":["n = c . v","n = v \/ c","n = c \/ v","n = c \/ f"],"correct":"n = c \/ v","order":"7"},{"question":"Z\u00e1kon odrazu svetla znie","answers":["uhol dopadu sa rovn\u00e1 uhlu odrazu","uhol dopadu sa rovn\u00e1 alebo je men\u0161\u00ed ako uhol odrazu","uhol odrazu sa rovn\u00e1 uhlu dopadu","uhol odrazu sa rovn\u00e1 alebo je v\u00e4\u010d\u0161\u00ed ako uhol dopadu"],"correct":"uhol odrazu sa rovn\u00e1 uhlu dopadu","order":"8"},{"question":"Mrie\u017ekov\u00e1 kon\u0161tanta ud\u00e1va","answers":["rozmery mrie\u017eky","vzdialenos\u0165 stredov dvoch susedn\u00fdch \u0161trb\u00edn","po\u010det \u0161trb\u00edn mrie\u017eky","ve\u013ekos\u0165 \u0161trb\u00edn mrie\u017eky"],"correct":"vzdialenos\u0165 stredov dvoch susedn\u00fdch \u0161trb\u00edn","order":"9"},{"question":"Pre zosilnenie vlnenia na optickej mrie\u017eke plat\u00ed","answers":["b. sin ak = ( 2k + 1 ). l\/2","b.cos ak = 2k . l","b. sin ak = k . l","b. sin ak = k . l\/2"],"correct":"b. sin ak = k . l","order":"10"}]