Rješavanje zadataka s državne mature - fizika 2. razred SŠ
Quiz
•
Physics
•
9th Grade - University
•
Hard
Tatjana Zemljić
Used 48+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-19-j)(ZV)Nastavnik je u razred donio dva balona jednakih volumena, jedan napunjen helijem, a drugi napunjen zrakom. Koja od navedenih tvrdnja vrijedi za iznos sile uzgona na pojedini balon?
Iznos sile uzgona veći je na balon napunjen helijem.
Iznos sile uzgona veći je na balon napunjen zrakom.
Iznos sile uzgona jednak je na oba balona.
Sila uzgona ne djeluje na balon napunjen zrakom.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-18-lj)(KNZ)Kroz uži dio horizontalno položene cijevi polumjera 1 cm teče voda brzinom 2 m/s pri statičkome tlaku 2·105 Pa. Koliki je statički tlak u širemu dijelu te cijevi polumjera 1,73 cm?
Gustoća vode je 1 000 kg m‒3.
201,8 kPa
201,8 Pa
201,8 MPa
201,8 mPa
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-16-j)(KNZ) Na kojoj dubini h tlak u vodi iznosi 5pa? (ρvode = 1 000 kg/m3, pa = 1 013 hPa)
ℎ = 50,5 m
ℎ = 40,5 m
ℎ = 30,5 m
ℎ = 60,5 m
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-17lj)(ZV) Koji graf prikazuje produljenje metalne žice ∆l ovisno o promjeni temperature ∆t?
A.
B.
C.
D.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-17j)(KNZ)Voda početne temperature 26 °C i mase 1 kg zagrijavana je dovođenjem 62 850 J topline. Kolika je konačna temperatura vode nakon zagrijavanja? Specifični toplinski kapacitet vode iznosi 4 190 J kg-1 K-1. Zanemarite gubitke energije u okolinu.
41 K
11 °C
11 K
41 °C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-19-lj) (ZV)Na slici je prikazan fazni dijagram koji opisuje promjene agregacijskih stanja vode kada joj se stalno dovodi neka količina topline. Početna je temperatura leda ‒10 °C. Kolika je temperatura t u točki C?
t = 0 °C
0 °C < t < 100 °C
t = 100 °C
t > 100 °C
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(DM-17-lj) (ZV) U zatvorenoj je posudi idealni plin mase m pri tlaku p i temperaturi T. Što će se dogoditi s tlakom plina ako se pri stalnoj temperaturi smanji početna masa plina?
Smanjit će se.
Povećat će se.
Ostat će isti.
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