Radioaktyvumas
Quiz
•
Physics, Chemistry, Science
•
10th Grade
•
Practice Problem
•
Medium
G M
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radioaktyvumas
braduolių skilimas
savaiminis nestabiliųjų atomo branduolių skilimas, per kurį pasikeičia br. sudėtis ir vyksta radioaktyvi spinduliuotė
vyksta radioaktyvi spinduliuotė
visi atskymai teisingi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ka sukelia radioaktyvumą?
visi izotopai
stabilūs izotopai
nestabilūs izotopai
. .
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
jonizuojanti spinduliuotė
alfa ir beta
gama
dzeta
alfa, beta ir gama
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
kokias daleles sulaiko švinas?
beta
alfa
gama
gama ir ebta
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pusėjmo trukmė
laikas, per kurį 2 kartus sumažėja skleidžiama jonizuojanti spinduliuotė
laikas, per kurį suskyla pusė radioaktyvių branduolių
visi atasakymai teisingi
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ką parodo aktyvumas?
kaip aktyviai branduoliai skyla
kiek branduolių skyla per 1 sek.
pusamžį
visi atsakymai teisingi
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aktyvumo matavimo vienetas
ciuris
sivertas
bekerelis
sekundė
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