Absolute zero

1 mark · Normal

Which temperature is closest to absolute zero?

A0 °CB-273 °CC273 KD100 K

› Show answer

Correct option: -273 °C

Common mistakes: Mistaking 0 °C for absolute zero; confusing Celsius and Kelvin.

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Marking points

A1 · 1 mark · Correctly chooses -273 °C.

Worked solution

Absolute zero is -273 °C.

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