Answer :
The value of 27°C on the Kelvin temperature scale is 300 K. The correct answer is 300 K. Option A is correct.
The Kelvin scale is an absolute thermodynamic temperature scale, with its zero point at absolute zero (absolute zero is the temperature at which matter has minimum thermal energy).
Therefore, the Kelvin scale has no negative numbers. A Celsius degree is equal to a Kelvin degree; therefore, to convert a temperature given in Celsius to Kelvin, simply add 273.
For example, 27°C is equal to 300 K since 27 + 273 = 300.
Consequently, the correct answer is 300 K. Option A is correct.
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The value of 27°C on the Kelvin temperature scale is 300.15 K, but for common use, it can be approximated as 300 K without the term 'degrees' since the Kelvin scale is not measured in degrees.
The value of 27°C on the Kelvin temperature scale can be found using the conversion formula from Celsius to Kelvin. The formula is K = °C + 273.15. Therefore, for 27°C, the Kelvin temperature would be:
K = 27°C + 273.15
= 300.15 K
For common use, where extreme precision is not required, it's acceptable to approximate the conversion by using 273 instead of 273.15. Thus, we often use the temperature of 27°C as equivalent to 300 K in less precise contexts.
It's important to note that on the Kelvin scale, temperatures are not referred to as 'degrees Kelvin' but rather simply as 'kelvins', for example, 300 Kelvin instead of 300 degrees Kelvin.
