
Vielu spektri
Authored by Voldemārs Muižnieks
Physics
11th Grade
Used 5+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Sarkanās zvaigznes ir karstākas par zilajām.
jā
nē
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Saules virsmas temperatūra ir ap 5500 K. Pie kādas spektrālās klases tā pieder?
O
A
G
M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Novērojot zvaigznes gaismu, kas izgāja caur planētas atmosfēru, spektrā var redzēt tumšas līnijas.
Šīs līnijas atbilst elementiem…
zvaigznes atmosfērā
planētas atmosfērā
abās atmosfērās
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Līnijai atbilstošais viļņa garums zvaigznes spektrā ir nobīdīts uz „sarkano“ pusi. Zvaigzne kustās…
prom no mums
mums pretī
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kad optiskā pirometra kvēldiegs „izzūd“, tā temperatūra ir ........................ pētāmā objekta temperatūru.
zemāka par
vienāda ar
augstāka par
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