Siltums un darbs
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Hard
Irēna Priede
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Siltuma daudzuma mērvienība ir
Q
K
Co
J
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Siltuma daudzums vienmēr patvaļīgi pāriet no ķermeņa ...
... ar mazāku siltumietilpību uz ķermeni ar lielāku siltumietilpību
... ar mazāku siltumvadītspēju uz ķermeni ar lielāku siltumvadītspēju
... ar augstāku temperatūru uz ķermeni ar zemāku temperatūru
... ar mazāku siltuma daudzumu uz ķermeni ar lielāku siltuma daudzumu
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Cik lielu darbu pastrādā gāze, izobāriski izplešoties par 200 cm3? Gāzes spiediens 2 ∙ 105 Pa.
40 J
100 J
400 J
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ja vielas pāreju no cieta stāvokļa šķidrā stāvoklī sauc par kušanu, kā sauc pretēju vielas pāreju?
kristalizācija
desublimācija
kondensācija
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Ja vielas pāreju no šķidrā stāvokļa gāzveida stāvoklī sauc par iztvaikošanu, kā sauc pretēju vielas pāreju?
kristalizācija
kondensācija
desublimācija
sublimācija
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Procesā, kad notiek vielas sasilšana, izmanto formulu :
Q=cmΔT
Q=Lm
Q=λm
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Lai aprēķinātu siltuma daudzumu kušanas procesā, izmanto formulu:
Q=cmΔT
Q=λm
Q=Lm
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