[{"question":"vyberte spr\u00e1vne tvrdenie:","answers":["pri tepelnej v\u00fdmene si teplej\u0161ie a chladnej\u0161ie teleso nevymie\u0148aj\u00fa energiu","pri tepelnej v\u00fdmene odovzd\u00e1 chladnej\u0161ie teleso teplo tomu teplej\u0161iemu","pri tepelnej v\u00fdmene pr\u00edjme teplej\u0161ie teleso teplo od chladnej\u0161ieho","pri tepelnej v\u00fdmene odvzd\u00e1 teplej\u0161ie teleso teplo chladnej\u0161iemu"],"correct":"pri tepelnej v\u00fdmene odvzd\u00e1 teplej\u0161ie teleso teplo chladnej\u0161iemu","order":"1"},{"question":"Dopl\u0148te vetu: tepeln\u00e1 kapacita je teplo, ktor\u00e9","answers":["mus\u00edme doda\u0165 ur\u010ditej l\u00e1tke, aby zv\u00fd\u0161ila svoju teplotu o 1\u00b0C, pri\u010dom nez\u00e1vis\u00ed od hmotnosti telesa","mus\u00edme doda\u0165 1 kg l\u00e1tky, aby zv\u00fd\u0161ila svoju teplotu o 1\u00b0C","mus\u00edme doda\u0165 1 kilogramu l\u00e1tky, aby zv\u00fd\u0161ila svoju teplotu o r\u00f4zny po\u010det \u00b0C","pr\u00edjme teplej\u0161ie teleso od chladnej\u0161ieho"],"correct":"mus\u00edme doda\u0165 1 kg l\u00e1tky, aby zv\u00fd\u0161ila svoju teplotu o 1\u00b0C","order":"2"},{"question":"Ako sa naz\u00fdva zariadenie, v ktorom experiment\u00e1lne ur\u010dujeme kapacitu r\u00f4znych l\u00e1tok?","answers":["reostat","termostat","kalorimeter","kalopometer"],"correct":"kalorimeter","order":"3"},{"question":"v ak\u00fdch jednotk\u00e1ch meriame kapacitu?","answers":["J\/K","J\/\u00b0C","J\/kg.K","J"],"correct":"J\/kg.K","order":"4"},{"question":"Od \u010doho nez\u00e1vis\u00ed mern\u00e1 tepeln\u00e1 kapacita?","answers":["hmotnos\u0165","objem","hustota","tia\u017eov\u00e9 zr\u00fdchlenie"],"correct":"tia\u017eov\u00e9 zr\u00fdchlenie","order":"5"},{"question":"Pod\u013ea ak\u00e9ho vzorca vypo\u010d\u00edtame mern\u00fa tepeln\u00fa kapacitu?","answers":["cp = Q\/m*(t2-t1)","cp = m*v\/2","cp = m*g*h","cp = m*(t2-t1)"],"correct":"cp = Q\/m*(t2-t1)","order":"6"},{"question":"Q = 420 000 J, m = 1kg, t2 = 100\u00b0C, t1 = 10 \u00b0C. Vypo\u010d\u00edtajte mern\u00fa tepeln\u00fa kapacitu","answers":["4667 J\/kg.K","466,7 J\/kg.K","4667 kJ\/kg.K","466,7 kJ\/kg.K"],"correct":"4667 J\/kg.K","order":"7"},{"question":"Q = 28 MJ, m = 1000 kg, t2 = 222 \u00b0C, t1 = 118 \u00b0C. Vypo\u010d\u00edtajte mern\u00fa tepeln\u00fa kapacitu","answers":["2690 J\/kg.K","269 J\/kg.K","2690 kJ\/kg.K","2697 kJ\/kg.K"],"correct":"269 J\/kg.K","order":"8"},{"question":"Telesu s hmotnos\u0165ou 4kg a teplote 20\u00b0C sme dodadli teplo 4200 kJ. Jeho mern\u00e1 tepeln\u00e1 kapacita bola 4,2 kJ\/kg.K. Vypo\u010d\u00edtajte na ak\u00fa teplotu sme ho ohriali","answers":["27\u00b0C","2,7\u00b0C","270\u00b0C","2700\u00b0C"],"correct":"270\u00b0C","order":"9"},{"question":"Telesu s hmotnos\u0165ou 10kg sme dodali teplo 4200 kJ. Jeho mern\u00e1 tepeln\u00e1 kapacita bola 4,2 kJ\/kg.K. Ohriali sme ho na teplotu 300\u00b0C. vypo\u010d\u00edtajte, ak\u00e1 bola jeho p\u00f4vodn\u00e1 teplota","answers":["2\u00b0C","20\u00b0C","200\u00b0C","2000\u00b0C"],"correct":"200\u00b0C","order":"10"}]