Question

(i) State absolute zero or Kelvin zero.

(ii) What is Kelvin scale of temperature.

Answer 1

(i) The temperature on the Kelvin scale at which molecular motion completely stop is called absolute zero or Kelvin zero.

(ii) Kelvin Scale of Temperature

• It starts at -273° C as it's zero.
• All temperatures on the Kelvin scale are positive.
• $\mathrm{K}=\mathrm{C}+273$