A) van der Waals constant
B) Rydberg's constant
C) Planck's constant
D) Boltzmann's constant
Correct Answer: D
Solution :
Universal gas constant (R) = 8.31 J/mol K Avogadro's number\[(N)=6.023\times {{10}^{23}}mol\] \[\therefore \] \[\frac{R}{N}=\frac{8.31\,J/molK}{6.023\times {{10}^{23}}mol}=1.38\times {{10}^{-23}}\,J/K\] \[1.38\times {{10}^{-23}}J/K\]is the value of Boltzmann's constant.
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