Test 3 cast 1 Flashcards

(14 cards)

1
Q

akym prostredim sa siri svetlo?

A

priehladnym prostrdim

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2
Q

co je najvacsi prirodny zdroj svetla?

A

slkno

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3
Q

z akej vzdialenosti ku nam cestuje slnecne svetlo? a za ako dlho prejde tuto vzdielenost?

A

150 milionov km a prejde to za 8 min

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4
Q

co je to opticke prostredie? a co sa vno deje,

A

tvori to atmosfera zeme pre slnecne prostredie
v tomto optickom prostredi sa cast slnecnych lucov odrazi, cast don prenikne, cast sa lame a cas dopada na zem

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5
Q

pri opalovani pouzivame ake svetlo?

A

ultrafialove WA

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6
Q

co sa deje zo svetlom pri priehladnyh predmetoch?

A

cast svetla sa odraza a cast sa pohlti

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7
Q

aka je teplota vo vnutri slnka?

A

vo vnutri slnka kde stale pribiehaju chemicke procesy sa odhaduje na 20 milionov stupnov

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8
Q

aka je teplota na povrchu slka?

A

6000 milion stupnov

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9
Q

co sa deje s vacsinou slnecneho svetla?

A

vacsina slnecneho svetla sa vyziary do otvoreneho vesmiru a len mala cast dopadne sa zemsky povrch

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10
Q

kolko percent je viditelne slnecne svetlo?

A

48 pecent

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11
Q

kolko percent je tepelne ziarenie slnka?

A

45 percent

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12
Q

kolko percent je ultrafialove,

A

7 percent

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13
Q

co je to slnecna konstanta,

A

je to hodnota tepla ktore doda slnecne ziarenie pri dopade na zem

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14
Q

aka je hodnosa slnecnej konstanty,

A

8,2J na cm2 na 1 min

8,2J je mnozstvo svetla ktore sa vyziari

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