Kura no dotajām svārstību frekvencēm (Hz) vislabāk atbilst vīrieša runai?

Skaņa

Quiz
•
Physics
•
8th Grade
•
Hard
Līga Blumbeka
Used 9+ times
FREE Resource
21 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
201
142
1018
10
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Katru skaņu raksturo skaņas skaļums. Nosaki, kuri no nosauktajiem decibeliem (dB) visprecīzāk atbilst lapas čaboņai!
76
132
15
425
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurā vielā skaņa izplatās vislēnāk?
gaisā
ūdenī
stiklā
dimantā
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Uzliesmoja zibens un pēc 9 sekundēm atskanēja pērkona grāviens. Cik tālu no mums uzplaiksnīja zibens?
aptuveni 6 km. attālumā
aptuveni 3 km. attālumā
aptuveni 2 km. attālumā
aptuveni 1 km. attālumā
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Cik tālu no klints atrodas cilvēks, ja viņš atbalsi dzird pēc 2 sekundēm un skaņas ātrums ir 342 m/s ?
1368 m
684 m
342 m
navar noteikt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dota svārstību frekvence 10 Hz. Nosaki šo svārstību veidu!
infraskaņa
dzirdamā skaņa
ultraskaņa
nevar noteikt
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pēc kura dzīvnieka izturēšanās var prognozēt zemestrīces?
sikspārņa
delfīna
ziloņa
grauzēja
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