Úloha ID 46 - 
Cirrocumulus jsou tenké, bíle skvrny nebo plošky oblaků bez vlastního stínu, které se skládají z velmi malých, zrnitých, žebrovitých apod. oblačných částí a jsou více či méně pravidelně uspořádány. Většina částí mívá zdánlivou velikost nepřesahující 1 stupeň prostorového úhlu (odpovídá přibližně úhlu, při jakém vidíme šířku malíku při natažené paži). I tato oblaka jsou tvořena malými ledovými krystalky, jen výjimečně obsahují silně přechlazené vodní kapičky. K halovým jevům dochází často, jsou však většinou vytvořeny pouze zlomkovitě, protože oblačné částice jsou příliš malé.
zdroj: H. Häckel, Atlas Oblaků
Které z následujících tvrzení vyplývá z uvedeného textu?
Správná odpověď je: D
Pozor na odpověď (C) . V textu se píše, že většina částí oblaků Cirrocumulus nepřesahuje tento zdánliví úhel, nikoliv oblaků samotných.
O odpovědi (D) se dočteme ve větě: K halovým jevům dochází často, jsou však většinou vytvořeny pouze zlomkovitě, protože oblačné částice jsou příliš malé. .
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