What is the value of constant of proportionality?

What is the value of Rydberg constant?

What is the meaning of constant of a spring?

What is the value of constant (mu_0)/(4pi) ?

Spherical rain drop evaporates at a rate proportional to its surface area. The differential equation corresponding to the rate of change of the radius of the rain drop if the constant of proportionality is K gt 0 is

What is the range of the constant function 1?

According to Charle's law (here K is constant of proportionality)

What is Prouÿs law of constant composition ?

The value of Planck's constant is