Question

On which of the following scales of temperature, the temperature is never negative

• A. Celsius
• B. Fahrenheit
• C. Reaumur
• D. Kelvin

Answer 1

Answer: (D)

Kelvin

Answer 2

Zero kelvin $= - 273{^\circ}C$ (absolute temperature). As no matter can attain this temperature, hence temperature can never be negative on Kelvin scale.