
Valgusõpetus
Authored by Kadi Piirsalu
Physics
7th - 9th Grade
Used 15+ times

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10 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Soojuslikud valgusallikad on...
Päike
Ledlamp
Lõke
Küünal
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Valguse levimise kiirus õhus on ligikaudu...
300 000 km/s
255 000 km/s
125 000 km/s
3.
OPEN ENDED QUESTION
3 mins • Ungraded
Ruumipiirkonda, mida valgusallikas ei valgusta nimetatakse...
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4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Kui valgus langeb peegelpinnale 30 kraadise nurga all, siis tema peegeldumisnurk on...
40 kraadi
35 kraadi
30 kraadi
20 kraadi
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Tasapeeglis tekkinud kujutis on...
peegelpinna suhtes sümmeetriline
asub peegli ees
võrreldes esemega vasaku-parema poole ümber pööranud
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Mattpinnalt peegeldunud valgust nimetatakse...
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Valgus murdub levides ühest optilise tihedusega keskkonnast teise, sest muutub tema levimise...
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