Welcome to the article A person s temperature is 40 C What would it be in Kelvin A 313 K B 313 K C 313 C D 313 C. On this page, you will learn the essential and logical steps to better understand the topic being discussed. We hope the information provided helps you gain valuable insights and is easy to follow. Let’s begin the discussion!
Answer :
The correct option is a. 313 K.
To convert a temperature from Celsius to Kelvin, one must add 273.15 to the Celsius temperature. This is because the Kelvin scale is an absolute temperature scale where 0 K (zero Kelvin) is the absence of all thermal energy.
Given the person's temperature is 40°C, the conversion to Kelvin is done as follows:
[tex]\[ \text{Temperature in Kelvin (K)} = \text{Temperature in Celsius (°C)} + 273.15 \][/tex]
[tex]\[ \text{Temperature in Kelvin (K)} = 40°C + 273.15 \][/tex]
[tex]\[ \text{Temperature in Kelvin (K)} = 313.15 \][/tex]
Since we are dealing with temperature scales and not specific heat energy, we can round the Kelvin temperature to the nearest whole number for practical purposes. Therefore, the person's temperature in Kelvin is approximately 313 K.
The other options are incorrect because:
b. -313 K and c. -313 °C are negative values, which would imply temperatures below absolute zero, an impossible physical condition.
d. 313 °C would be the temperature in Celsius, not Kelvin, and it would also be incorrect since the original temperature was 40 °C.
Hence, the correct answer is a. 313 K."
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Rewritten by : Brahmana
Zero C is the same temperature as 273 K. So 40 C is the same temperature as 313 K. It's also the same temperature as 104 F ... a very high fever.