
Radioviļņi
Authored by Niks Gurtiņš
Science
10th Grade
Used 2+ times

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9 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Vidējais troposfēras augstums virs Zemes ir
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Kā sauc atmosfēras slāni, kurā novērojama atmosfēras gāzu jonizēšanās?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kādā augstumā notiek atmosfēras gāzu jonizēšanās?
11-30 km
180-400 km
200-400 km
360-500 km
4.
FILL IN THE BLANK QUESTION
10 sec • 1 pt
Jonosfēra ir sadalīta _____ slāņos.
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Kā sauc radioviļņa spēju apliekties ap šķērsli?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuri viļņi spēj vislabāk apliekties ap zemes virsmu?
Ultraīsie
Īsie
Vidējie
Garie
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
No kādiem faktoriem ir atkarīga radioviļņa izplatīšanās trajektorija jonosfērā?
Diennakts stundām un gadalaikiem
Brīvo elektronu koncentrācijas jonosfēras slāņos
Elektromagnētiskā viļņa garuma
Radioviļņa krišanas leņķa pret jonosfēru
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