
Quiz despre Coarde Sonore
Authored by ddenisaaaimah ddenisa
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11th Grade
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce este acustica?
Studiaza sunetul
Studiaza magnetismul
Studiaza electricitatea
Studiaza lumina
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce reprezinta o unda stationara?
Suprapunerea a doua unde de aceeasi frecventa
O unda de lumina
O unda sonora
O unda electromagnetica
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este conditia pentru ca o unda elastica sa produca senzatii auditive?
Toate variantele de mai sus
Sa aiba o intensitate peste pragul de audibilitate
Sa aiba o durata mai mare de 0.06s
Sa aiba o frecventa intre 20Hz si 20kHz
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ce influenteaza caracteristicile sunetului produs de o coarda?
Materialul si tensiunea
Lungimea si grosimea
Grosimea si materialul
Lungimea si tensiunea
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este modul de actiune asupra corpurilor sonore pentru a produce vibratii?
Frecarea, apasarea si tragerea
Lovirea, apasarea si ciupirea
Tragerea, ciupirea si frecarea
Ciupirea, lovirea si frecarea
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este definitia unui instrument cu coarde?
Un instrument muzical cu coarde intinse deasupra unei cutii de rezonanta
Un instrument muzical cu coarde intinse in interiorul unei cutii de rezonanta
Un instrument muzical fara coarde
Un instrument muzical cu coarde intinse deasupra sau in interiorul unei cutii de rezonanta
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care este definitia unei coarde sonore?
O coarda de lungime l, fixata la un capat
O coarda de lungime l, fara fixare
O coarda de lungime l, fixata la celalalt capat
O coarda de lungime l, fixata la ambele capete
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