
Skaņa
Quiz
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
Anita Podkalne
Used 3+ times
FREE Resource
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21 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Uzraksti trūkstošo vārdu!
Svārstības, kuras iespējams dzirdēt, sauc par ...
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izvēlies pareizo turpinājumu!
Toņdakša 1 sekundē veic 440 svārstības. Toņdakšas svārstību frekvence ir ...
440 Hz
1000 Hz
440 s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izvēlies pareizo atbildi!
Ja metāla lineālu piespiež pie galda malas un brīvo galu iesvārsta, tad dzirdama skaņa. Cik liela ir skaņas frekvence, ja 2 sekundēs lineāla gals veic 80 svārstības.
80 Hz
40 Hz
160 Hz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izvēlies pareizo atbildi!
Kuras ir cilvēkam dzirdamās skaņas frekvences?
no 15 Hz līdz 50 000 Hz
no 16 Hz līdz 20 000 Hz
no 60 Hz līdz 65 000 Hz
no 150 Hz līdz 150 000 Hz
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Turpini!
Skaņas augstumu nosaka skaņas avota ... .
svārstību atvēziens
svārstību frekvence
izmēri
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izvēlies pareizo atbildi!
Kas dod augstāku skaņu –maijvabole, kura kustina spārnus 45 reizes sekundē, vai bite, kura vicina spārnus 200 reizes sekundē?
maijvabole
bite
abi kukaiņi rada vienāda augstuma skaņu.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izvēlies pareizo atbildi!
Ko nosaka skaņas svārstību atvēziens jeb amplitūda?
skaņas frekvenci
skaņas izplatīšanās ātrumu
skaņas skaļumu
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