Speed of light (c) and gravitational constant (g) are used in relativity theory and planck's constant is used in quantum theory. Planck observed that these constants can be used to define the length, time and mass units. Thus, using these constants, we can define Planck length as √h'G/c3.
Speed of light (c) and gravitational constant (g) are used in relativity theory and planck's constant is used in quantum theory. Planck observed that these constants can be used to define the length, time and mass units. Thus, using these constants, we can define Planck length as √h'G/c3.