Svetlina Flashcards

(10 cards)

1
Q

Sto e svetlina?

A

Izvor na zivotot i se ona sto to registrira naseto setilo za vid

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2
Q

Sto e svetlinski izvor

A

Sekoe telo sto imitira svetlina

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3
Q

Podelba na svetlinata

A

Primarni ( sonce zvezdi fosfor )
Prirodni
Sekundarni ( mesecina ostanati planeti )

Vestacki: sijalica, sveka, gazna lampa fakel…

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4
Q

Sto e laser

A

Poseben i neobicen vid na strogo kontrolirana nasocena svetlina

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5
Q

Primena na laserot

A

Medicina
Muzikata
Metalurskata industrija
Voena industrija

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6
Q

Sto e opticka sredina

A

Sekoja sredina koja ja propusta svetlinata
Takvi se: vozduh, voda, staklo, alkohol i dr

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7
Q

Karakteristiki na svetlinata

A

Vid na energija
Svetlinata se siri pravoliniski
Se siri niz prazen prostor so brzina od 300 000km/s

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8
Q

So sto se raspostranuva svetlinata pravoliniski?

A

A) ——>—– svetlinski zrak

B) ——>—–
——->—-
——>—–
Svetlinski snob

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9
Q

Sto e svetlinski zrak

A

Prava linija koja sto go pokazuva patot na svetlinata

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10
Q

Kako gi gledame nestata?

A

So nasite oci

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