OnlineCBT
Physics · UNITS AND MEASUREMENT
हिन्दीIn the revised SI system (2018), the kilogram, kelvin, and ampere are defined by fixing the numerical values of which fundamental physical constants, respectively?
Correct answer · Option 2
Planck constant \( h \), Boltzmann constant \( k \), elementary charge \( e \)
Explanation
According to the revised SI definitions, kilogram is defined using Planck constant \( h \), kelvin using Boltzmann constant \( k \), and ampere using elementary charge \( e \).
