TBQ- Different variables of physical quantities — task. Physics CBSE Live product, Class 9 (2026-27).

Choose the correct answer:

Why is the speed of light denoted by \(c\)?

Because \(c\) stands for colour
Because \(c\) stands for current
Because \(c\) is the third letter of the alphabet
Because \(c\) comes from the Latin word celeritas, meaning speed

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