Modelová Otázka ID 3143 - 
Kolik je celkem základních fyzikálních veličin soustavy SI?
Správná odpověď je: C
Základních fyzikálních veličin soustavy SI je 7, a to délka (základní jednotka metr, značka m), hmotnost (jednotka kilogram, značka kg), čas (jednotka sekunda, značka s), látkové množství (jednotka mol, značka mol), elektrický proud (jednotka ampér, značka A), svítivost (jednotka kandela, značka cd) a termodynamická teplota (jednotka kelvin, značka K).
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