Heli
Quiz
•
Physics
•
8th Grade
•
Hard
Virgi Roop
Used 36+ times
FREE Resource
25 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Heli tekitavad ...
paigal seisvad kehad.
võnkuvad kehad.
edasi liikuvad kehad.
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kes/mis nimetatutest on heliallikad?
võnkuv pillikeel
joonlaud laual
tuules langev leht
jalgu kokku hõõruv rohutirts
vaikiv inimene
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mis tüüpi laine on heli õhus?
põiklaine
ristlaine
pikilaine
paralleellaine
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Heli levib sirgjooneliselt ...
kõveras keskkonas.
sirges keskkonas.
ühtlases keskkonnas.
segases keskkonnas.
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Heli levimise kiirus sõltub ...
õhu temperatuurist.
keskkonnast.
õhu liikumise kiirusest.
inimese kõrva ehitusest.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Heli levimise suunda kujutatakse ... abil.
helisirge
helikiire
helilõigu
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Mis juhtub heliga vaakumis ehk õhuta ruumis?
Levib väga aeglaselt.
Ei levi üldse.
Levib mitmeid kordi kiiremini.
Levib sama moodi nagu õhuski.
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