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Fizika > Šviesa > Flashcards

Šviesa Flashcards

1
Q

Kas yra optika?

A

Tai mokslas apie sviesa

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2
Q

Sviesos saltiniai?

A

Tai kunai kurie patys skleidzia sviesa

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3
Q

Naturalus saltiniai

A

Saule, zaibas,zvaigzde

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4
Q

Saltiniai kuriuos sukure zmogus

A

Lempa, lauzas,zvakes

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5
Q

Sviesos sklidimo greitis

A

300000km per sekunde

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6
Q

Spindulys

A

Tai tiesi linija kuria sklinda sviesa

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7
Q

Kaip matome apsviestus daiktus

A

Sviesa atsimusa i kuna ir paskui patenka i aki

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8
Q

Kaip skilnda sviesa?

A

Sviesa sklinda spinduliais ir i visas puses

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9
Q

Kas yra skaidrus kunai?

A

Tai kunai kurie praleidzia sviesa

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10
Q

Kas yra seselis?

A

Tai tokia erdve i kuria nepatenka sviesa del kelyje esanciu kliuciu

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11
Q

Nuo ko priklauso seselio dydis?

A

Seselio dydis priklauso nuo to kaip arti sviesos saltinio yra kunas

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12
Q

Seselio dydis

A

Kuo kunas arciah sviesos saltinio tuo seselis dydesnis, kuo toliau tuo seselis mazesnis

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13
Q

Kur buvo seniau naudojami seseliai?

A

Seseliu teatrui ir piesdavo siluetus

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14
Q

Kokios yra menulio fazes?

A

Priespilnis,delcia,pilnatis,jaunatis

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15
Q

Atspindzio desnis

A

Tai krintantysis spindulys, atspindejas spindulys ir per kritimo taska nubreztas statmuo veidrodzio pavirsiui yra vienoje plokstumoje

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16
Q

Kritimo kampas-

A

Alfa

17
Q

Atspindzio kampas-

A

Beta

18
Q

Kam lygus kas?

A

Alfa=beta

19
Q

Veidrodzio rusys:

A

Plokstieji ir sferiniai

20
Q

Sviesos greitis

A

3x10 astuntuoju

21
Q

Kas yra sviesos luzimas?

A

Tai sviesos spindulio krypties pasikeitimas, kai sviesa pereina is veinos terpes i kita

22
Q

Ka reismia n formuleje?

A

n=luzio rodiklis

23
Q

Ka reiskia c luzio formuleje

A

c= sviesos greitis

24
Q

Ka reiskia v formuleje

A

Greitis kituose terpese

Fizika (4 decks)

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