TERMODINAMIKA
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Hard
Marina Trstenjak Petran
Used 2+ times
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12 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
U popodnevnim se satima temperatura zraka povećala za 13 K u odnosu na ranojutarnju temperaturu.
Za koliko se povećala temperatura zraka u Celzijevim stupnjevima?
za 13°C
za 30°C
za 260°C
za 286°C
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bimetalna traka sastoji se od dviju spojenih traka napravljenih od mjedi i čelika, kako je prikazano na crtežu.
Pri jednolikom zagrijavanju dolazi do savijanja prema čeličnoj traci.
Zašto se to događa?
Temperatura mjedi viša je od temperature čelika.
Temperatura čelika viša je od temperature mjedi.
Mjed se produljuje više od čelika za istu promjenu temperature.
Čelik se produljuje više od mjedi za istu promjenu temperature.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pri izotermnom procesu obujam plina se s vrijednosti V poveća na 2V. Početni tlak plina je p. U odnosu na početni tlak konačni tlak plina je:
četiri puta manji
dva puta manji
nepromijenjen
dva puta veći
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pri izobarnoj promjeni obujam idealnoga plina se tri puta poveća.
Apsolutna se temperatura plina u odnosu na početnu:
smanji 9 puta
poveća 9 puta
smanji 3 puta
poveća 3 puta
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koji od četiriju prikazanih dijagrama predstavlja izohorni proces?
dijagram A
dijagram B
dijagram C
dijagram D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Temperatura idealnoga plina je 0°C. Na kojoj će temperaturi tlak plina biti dva puta veći od tlaka plina pri 0°C ako se obujam plina drži stalnim?
0 K
137 K
273 K
546 K
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Neki se plin nalazi u zatvorenoj posudi.
Zašto plin tlači stjenke posude u kojoj se nalazi?
Čestice plina miruju i gusto su smještene jedna do druge.
Čestice plina miruju i tlače stjenke posude svojom težinom.
Čestice plina se usmjereno gibaju i udaraju o stjenke posude.
Čestice plina se nasumično gibaju i udaraju o stjenke posude.
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