Question

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

• A. Celsius
• B. Kelvin
• C. Fahrenheit
• D. None of these

Answer 1

Answer:

B. Kelvin

Read Explanation:

• The commonly used temperature scales are Celsius, Fahrenheit, and Kelvin. The temperatures in Celsius, Fahrenheit and Kelvin are represented as ${}^{\circ }C$, ${}^{\circ }F$ and $K$respectively.

• Conversion between Kelvin and Celsius scale:

  [K] = [°C] + 273.15

  [°C] = [K] − 273.15

  Conversion between Fahrenheit and Celsius:

  [°F] = [°C] × ⁹⁄₅ + 32

  [°C] = ([°F] − 32) × ⁵⁄₉

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