Charles' Law
### Formula:
$$\frac{V_1}{T_1}=\frac{V_2}{T_2}$$
### Terminologies:
- $$V_1$$ → Initial volume of gas.
- $$T_1$$ → Initial temperature in Kelvin.
- $$V_2$$ → Final volume of gas.
- $$T_2$$ → Final temperature in Kelvin.
### Usage:
- Used when pressure remains constant and volume changes with temperature.