Bohr Frequency Condition

[Stephanie Torres 2F]

Can someone elaborate on what specifically the Bohr frequency condition is and under what terms it is used?

[jasi_bermejo_3h]

I believe that the Bohr Frequency Condition, delta E = hv, is of the idea that when the frequency of incoming light matches the energy difference for the transition of electrons between energy levels, you will have absorption of light.

[Joyce Meng 2J]

The Bohr Frequency Condition is a formula saying frequency = change in energy/Planck's constant, or
This formula means that for every frequency of an element, there needs to be a very specific change in energy when an atom absorbs or emits energy to make it to another energy level. For example, when a hydrogen atom emits energy so that it goes from n=4 to n=3, the frequency that it emits will always be the same, so the change in energy will always be the same from n=4 to n=3. This is what gives each element its own unique "fingerprint".

This formula is used for atomic spectra problems and is often paired with the to create the Rydberg equation.

[Kyle_Phong_2J]

Bohr's frequency condition is the equation E = hν where E is the energy difference when an electron goes from a higher level to a lower level of energy (like n=4 to n=1), h is Planck's constant, and v is the frequency of the photon. We use this equation when trying to find frequency or switching variables around to find wavelength.

Ex) We have these two equations: E=hv and c=λv
If we are trying to solve for wavelength, we rearrange variables to get v=c/λ, E=hc/λ, and finally λ=hc/E