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There Were Two Fixed Points in the Original Celsius Scale as Mentioned Above Which Were Assigned the Number 0 °C and 100 °C Respectively. on the Absolute Scale, One of the Fixed Points is the Triple-point of Water, Which on the Kelvin Absolute Scale is Assigned the Number 273.16 K. What is the Other Fixed Point on this (Kelvin) Scale? - CBSE (Science) Class 11 - Physics

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Question

Answer the following:

There were two fixed points in the original Celsius scale as mentioned above which were assigned the number 0 °C and 100 °C respectively. On the absolute scale, one of the fixed points is the triple-point of water, which on the Kelvin absolute scale is assigned the number 273.16 K. What is the other fixed point on this (Kelvin) scale?

Solution 1

The absolute zero or 0 K is the other fixed point on the Kelvin absolute scale.

Solution 2

On Kelvin’s absolute scale, there is only one fixed point, namely, the triple-point of water and there is no other fixed point.

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 NCERT Solution for Physics Textbook for Class 11 (2018 to Current)
Chapter 11: Thermal Properties of Matter
Q: 4.2 | Page no. 294
Solution There Were Two Fixed Points in the Original Celsius Scale as Mentioned Above Which Were Assigned the Number 0 °C and 100 °C Respectively. on the Absolute Scale, One of the Fixed Points is the Triple-point of Water, Which on the Kelvin Absolute Scale is Assigned the Number 273.16 K. What is the Other Fixed Point on this (Kelvin) Scale? Concept: Temperature and Heat.
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