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Valguse sirgjooneline liikumine KT

Authored by Tom Maksimov

Physics

8th Grade

Valguse sirgjooneline liikumine KT
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mis on valguskiirus? (1p)

3x105 m/s

3x108 km/h

3x108 m/s

3x104 km/h

2.

MULTIPLE SELECT QUESTION

45 sec • 2 pts

Vali valgusallikad (2p)

Kuu

Ekraan

Hõõglamp

Vesi

3.

MULTIPLE SELECT QUESTION

45 sec • 2 pts

Vali soojuslikud valgusallikad (2p)

LED lamp

Hõõglamp

Päike

Peegel

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Millest koosneb päike? (1p)

Vesinik ja hapnik

Hapnik ja heelium

Hapnik ja süsinik

Vesinik ja heelium

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Media Image

Mida lähemal elektron tuumas tiirleb, seda (suurem/väiksem) on elektroni energia (1p)

(a)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Mida tähistab antud märk? (1p)

footon

tihedus

lainepikkus

valgusaasta

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Milliseid laineid näevad inimesed? (1p)

ainult nähtav valgus

nähtav valgus ja infrapunakiirgus

ultraviolettkiirgus

kõiki laineid

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