Answer:
Step-by-step explanation:
Light emitted by an atom making transition from higher energy state to low energy state has a frequency directly proportional to the energy change in electron.
Energy associated with atom is given by
![E=h\\u](https://img.qammunity.org/2020/formulas/physics/middle-school/77fy29ydbgip1902b0vgdqn2ucc16ph4u8.png)
![E=Energy\ of\ electron](https://img.qammunity.org/2020/formulas/physics/high-school/cyiw8ehhp6gzrye9fse1sinfki27ezdjrk.png)
![h=Planck's\ constant](https://img.qammunity.org/2020/formulas/physics/high-school/5v55nmdzkevilmiysjyc9uq3n8l05bowj9.png)
Change in Energy is
![\Delta E=h(\\u _2-\\u _1)](https://img.qammunity.org/2020/formulas/physics/high-school/uaa1gt2n69vxxatdbs7bqby17jrfbe7tyt.png)