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Valovi

Authored by Manuela Kušec

Physics

8th Grade

Used 142+ times

Valovi
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19 questions

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1.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Media Image

Val na slici je (a)   val.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Kod nastajanja vala, čestice sredstva titraju oko:

oslonca

ravnotežnog položaja

centra simetrije

težišta

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Visina vala (udaljenost od ravnotežnog položaja do vrha brijega ili dola) je:

amplituda

valna duljina

frekvencija

period

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Media Image

Amplituda vala prikazanog na slici iznosi: (pazi da napišeš i mjernu jedinicu)

(a)  

5.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

Media Image

Valna duljina vala prikazanog na slici je (a)   cm.

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

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Ako u dvije minute nastane 120 valova, kolika je frekvencija titranja?

60 Hz

1 Hz

0.016 Hz

30 Hz

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Frekvencija i period titranja su međusobno obrnuto proporcinalni.

Točno

Netočno

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