Assertion (A): 0 °C = 273.16 K. For our convenience we take it as 273 K after rounding off the decimal Reason (R): To convert a temperature on the Celsius scale you have to add 273 to the given temperature a. Both A and R are true but R is not the correct reason b. Both A and R are true and R is the correct reason c. A is true but R is false d. A is false but R is true
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a.
Both A and R are true but R is not the correct reason 273.16 K is known as the triple point as here a substance can exist in equilibrium in the all three liquid, solid and gaseous states.
We generally use 273.15 to calculate the value for the conversion of Celsius to Kelvin and the opposite.
Because In Celsius scale, the freezing point and boiling point of water is zero degree and hundred degree
Celsius on its standard temperature scale. While in Kelvin temperature scale, the zero of freezing point is shifted to absolute zero point which is -273.150
You can further read on, http://www.beyondmech.com/physics-mechanis/pm-topic-5.html.
Both A and R are true but R is not the correct reason 273.16 K is known as the triple point as here a substance can exist in equilibrium in the all three liquid, solid and gaseous states.
We generally use 273.15 to calculate the value for the conversion of Celsius to Kelvin and the opposite.
Because In Celsius scale, the freezing point and boiling point of water is zero degree and hundred degree
Celsius on its standard temperature scale. While in Kelvin temperature scale, the zero of freezing point is shifted to absolute zero point which is -273.150
You can further read on, http://www.beyondmech.com/physics-mechanis/pm-topic-5.html.
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