Find the energy of the photon released in the transition from n₁ = 4 to n₂ = 2 for a hydrogen atom. (Note: Use Rydberg Formula)
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- As per Bohr's model when electrons make a transition a photon is absorbed or released. This creates emission and absorption spectra.
- Rydberg formula is used to calculate the wavelength of these photons. It is given by,
Here R∞ is the Rydberg constant and has a value of 1.097373 × 107 m-1, and n1 and n2 are the states in which transition takes place.
- We know energy carried by a photon is given by,
Here h is Planck's constant, c is the speed of light, and λ is the wavelength.
- Combining both equations we get the energy released during the transition as,
Since R∞hc has a constant value this formula will reduce to,
Here n1 and n2 are the states in which transition takes place.
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