Nuclear excited states (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is a nuclear excited state?
What is a nuclear excited state?
A higher energy configuration of nucleus
Why do gamma photons from a particular nuclide have specific, fixed energies?
Why do gamma photons from a particular nuclide have specific, fixed energies?
Energy levels in nucleus are discrete
By convention, what energy value is assigned to the ground state in energy level diagrams?
By convention, what energy value is assigned to the ground state in energy level diagrams?
MeV
What does an asterisk (*) denote in a nuclear equation?
What does an asterisk (*) denote in a nuclear equation?
Nucleus in an excited state
In cobalt-60 decay, what percentage produces nickel-60 in the second excited state at MeV?
In cobalt-60 decay, what percentage produces nickel-60 in the second excited state at MeV?
What gamma photon energy is emitted when radon-222 transitions from excited state to ground state?
What gamma photon energy is emitted when radon-222 transitions from excited state to ground state?
keV
What is the minimum half-life for an excited state to be classified as metastable?
What is the minimum half-life for an excited state to be classified as metastable?
nanosecond
What is the half-life of barium-137m?
What is the half-life of barium-137m?
seconds
What is the half-life of technetium-99m?
What is the half-life of technetium-99m?
hours
What is the energy of gamma photons emitted by technetium-99m?
What is the energy of gamma photons emitted by technetium-99m?
keV