Vidējais troposfēras augstums virs Zemes ir

Radioviļņi

Quiz
•
Science
•
10th Grade
•
Hard
Niks Gurtiņš
Used 2+ times
FREE Resource
9 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
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
8.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Kurš mainīgais pietrūkst perioda aprēķināšanas formulā? T=1/___?
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurš jonosfēras slānis naktīs izzūd?
D
E
F1
F2
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