Valgus ja valgusallikad. Heli ja valgus
Authored by Egle Lellep
Physics
9th Grade
Used 4+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on valgusallikas?
soojust andev keha
valgust kiirgav keha
valge keha
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Külm valgusallikas on ...
päike
virmalised
hõõgniidiga pirn
küünal
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Soojad valgusallikad on ....
LED -lamp
päike
küünal
hõõglamp
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Valgus on .................
pikilaine
ristlaine
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Millises keskkonnas valgus levib?
ka õhuta
ainult õhuga
läbipiastvas
läbipaistmatus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Soojuskiirgus ehk
nähtav valgus
ultravalgus
infravalgus
7.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
Koosneb ainult ühest värvilisest valgusest.
(a)
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