What is the numerical value of Boltzmann’s constant?

1. A Option A: 3.18×10⁻²³ JK⁻¹
2. B Option B: 3.18×10⁻³¹ JK⁻¹
3. C Option C: 1.38×10⁻³¹ JK⁻¹
4. D Option D: 1.38×10⁻²³ JK⁻¹

Answer checked 11 October 2026 · How we write and check questions