What are the energy momentum and wavelength of a photon

Reference no: EM13719152

Solve the following questions:

Question 1: What are the energy, momentum, and wavelength of a photon that is emitted by a hydrogen atom making a direct transition from an excited state with n=9 to the ground state?

Question 2: What is the recoil speed of the hydrogen atom in this process?

I need help to find the recoil speed of the hydrogen atom in this process.

Reference no: EM13719152

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