Question

c. Which one of the following is a derived unit? A. Kelvin B. Mole C. Hertz D. Candela ​

Answer 1

Answer:

B. Mole

Explanation:

answer option B. Mole

Answer 2

Answer:

Hertz is my answer.

because

Kelvin is the SI unit of Temperature . Temperature is a fundamental quantity.

Mole is the SI unit of Amount of Substance.Amount of substance is a fundamental quantity.

Candela is the SI unit of Luminous Intensity.Luminous intensity is a fundamental quantity.

BUT

Hertz is the SI unit of Frequency.Frequency is a derived quantity

SO,THE ANSWER IS HERTZ