Energy Transistions - Multiple Choice

Q1.The diagram shows some energy levels of an atom.

The transition E₃ to E₁ corresponds to the emission of visible light.

A transition corresponding to the emission of infrared radiation could be:

Q2. Which one of the graphs below best represents the relationship between the energy W of a photon and the frequency f of the radiation?

Q3. The diagram shows some of the energy levels for a hydrogen atom.

A free electron of kinetic energy 20.0 × 10^–19J collides with a hydrogen atom in its ground state.

The hydrogen atom is excited from its ground state to the first excited state.

Calculate the kinetic energy of the free electron after the collision in joules.

Q4. The diagram below is drawn to scale. It shows some of the energy levels of an atom.

Transition P results in the emission of a photon of wavelength 4 × 10^–7 m.

Which one of the transitions A, B, C, or D could result in the emission of a photon of wavelength 8 × 10^–7 m?