AQA A-Level Physics (7408) · AQA 7408
3.2 Particles and Radiation
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Particles and Radiation
- A scientist is investigating the emission of light from excited hydrogen gas. The gas emit… (5 marks, Explain)
- A student investigates the photoelectric effect using two different metals, P and Q. Metal… (5 marks, Describe and explain)
- Explain why a dim source of light with a high enough frequency can release electrons from … (5 marks, Explain)
- When ultraviolet radiation is shone onto a zinc plate, electrons are emitted from the surf… (5 marks, Explain)
- Explain what happens to the electrons inside an atom when the atom absorbs electromagnetic… (5 marks, Explain)
- Explain how the line emission spectrum of an element provides evidence for electrons exist… (5 marks, Explain)
- A student shines monochromatic light onto a metal surface and observes that electrons are … (5 marks, Explain)
- Explain what is meant by the specific charge of a particle and explain how the specific ch… (5 marks, Explain)
- Explain how the discovery of the neutron changed scientists' understanding of atomic struc… (5 marks, Explain)
- Explain why the periodic table is arranged in the order it is today, rather than in the or… (5 marks, Explain)
- Explain how scientists' model of the atom changed from the ancient Greek idea of the atom … (5 marks, Explain)
- Describe the evidence from the alpha particle scattering experiment that led scientists to… (5 marks, Describe)
- Explain why the photoelectric effect cannot be explained by the wave model of light, and h… (5 marks, Explain)
- Explain why increasing the frequency of light shone onto a metal surface increases the max… (5 marks, Explain)
- Explain why light below a certain frequency cannot release electrons from a metal surface,… (5 marks, Explain)
- Explain what is meant by an isotope and describe how two isotopes of the same element are … (5 marks, Explain)
- Explain why atoms are electrically neutral, and explain what happens to the overall charge… (5 marks, Explain)
- Explain why the nuclear model of the atom replaced the plum pudding model. (5 marks, Explain)
- Describe the structure of an atom, including the relative charges and masses of the partic… (5 marks, Describe)
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