Toplinsko širenje

Quiz
•
Physics
•
9th - 12th Grade
•
Hard
Used 2+ times
FREE Resource
5 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alumijin
Voda
Željezo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Bimetalna traka sastoji se od spojenih traka od mjedi i čelika. Pri jednolikom zagrijavanju dolazi do savijanju prema čeliku. Zašto?
Temperatura mjedi veća je od temperature čelika.
Temperatura čelika veća je od temperature mjedi.
Mjed se produljuje više od čelika za isti ΔT.
Čelik se produljuje više od mjedi za isti ΔT.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koja od navedenih tvrdnji ne vrijedi za toplinsko širenje metalne kugle pri zagrijavanju?
Volumen je kugle veći što je veća promjena temperature.
Promjena je volumena veća što je veći početni volumen kugle.
Toplinsko širenje ovisi o vrsti metala.
Toplinskim širenjem kugle raste njezina gustoća.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Homogenu željeznu kuglu zagrijavamo. Pritom se:
masa i obujam kugle povećavaju
gustoća i obujam kugle se povećavaju
gustoća kugle se smanjuje, a obujam povećava
masa i gustoća kugle se povećavaju
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Većina materijala se ne šire promjenom temperature.
Točno.
Netočno.
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