Hljóð Eðlisfr.1, kafli 2 (35 mínútur)
Quiz
•
Science
•
8th - 10th Grade
•
Practice Problem
•
Medium
Sigrún Þórólfsdóttir
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20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Innhljóð er..
eining fyrir tíðni
fjöldi sveiflna á sekúndu
lægri en 20 Hz
vegalengd milli tveggja þynninga
herma
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Herts (rið) er..
eining fyrir tíðni
fjöldi sveiflna á sekúndu
lægri en 20 Hz
vegalengd milli tveggja þynninga
herma
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Herma er..
eining fyrir tíðni
fjöldi sveiflna á sekúndu
lægri en 20 Hz
vegalengd milli tveggja þynninga
Meðsveifla
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Tíðni er..
eining fyrir tíðni
fjöldi sveiflna á sekúndu
lægri en 20 Hz
vegalengd milli tveggja þynninga
herma
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Bylgjulengd er..
eining fyrir tíðni
fjöldi sveiflna á sekúndu
lægri en 20 Hz
vegalengd milli tveggja þynninga
herma
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Þegar eldingu slær niður sést eldingin alltaf áður en þruman heyrist.
Rétt
Rangt
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tveir jafnlangir strengir gefa mismunandi tóna. Annar þeirra er gildari en hinn. Er eitthvað annað sem getur haft áhrif á tíðni tónsins?
Já hversu strektur hann er.
Já hversu fast þú tosar í hann.
Já það fer eftir því hvernig botninn er á hljóðfærinu.
Nei, það er bara lengd og gildleiki sem skiptir máli upp á tíðni að gera.
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