Question:
On which of the following scales of temperature, the temperature is never negative?
ACelsius
BKelvin
CFahrenheit
DNone of these
Answer:
B. Kelvin
Explanation:
- The commonly used temperature scales are Celsius, Fahrenheit, and Kelvin. The temperatures in Celsius, Fahrenheit and Kelvin are represented as ∘C, ∘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