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Which provides evidence for the existence of energy levels in nuclei? A the Rutherford alpha particle scattering experiment B the existence of X-ray line spectra C the existence of gamma radiation D electron diffraction by crystals - AQA - A-Level Physics - Question 29 - 2022 - Paper 2

Question 29

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Which provides evidence for the existence of energy levels in nuclei? A the Rutherford alpha particle scattering experiment B the existence of X-ray line spectra ... show full transcript

Worked Solution & Example Answer:Which provides evidence for the existence of energy levels in nuclei? A the Rutherford alpha particle scattering experiment B the existence of X-ray line spectra C the existence of gamma radiation D electron diffraction by crystals - AQA - A-Level Physics - Question 29 - 2022 - Paper 2

Step 1

A the Rutherford alpha particle scattering experiment

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Answer

The Rutherford alpha particle scattering experiment provides information about atomic structure but does not specifically indicate energy levels within the nucleus.

Step 2

B the existence of X-ray line spectra

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Answer

The existence of X-ray line spectra is crucial evidence of energy levels. When electrons transition between energy levels in an atom, they emit X-rays at specific frequencies, which supports the idea of quantized energy levels.

Step 3

C the existence of gamma radiation

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Answer

The existence of gamma radiation can be associated with nuclear transitions between energy levels. Gamma rays are emitted when a nucleus transitions from a higher energy state to a lower one, thus providing direct evidence of energy levels within the nucleus.

Step 4

D electron diffraction by crystals

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Answer

Electron diffraction by crystals is primarily related to the wave nature of electrons and the arrangement of atoms in a crystal structure, not directly to energy levels in the nucleus.

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Which provides evidence for the existence of energy levels in nuclei? A the Rutherford alpha particle scattering experiment B the existence of X-ray line spectra C the existence of gamma radiation D electron diffraction by crystals - AQA - A-Level Physics - Question 29 - 2022 - Paper 2

A the Rutherford alpha particle scattering experiment

B the existence of X-ray line spectra

C the existence of gamma radiation

D electron diffraction by crystals

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