# "Describe and explain" questions — AQA A-Level Physics (7408)

> 8 questions · physics

## How to answer

"describe and explain" questions from AQA A-Level Physics (7408). Read the rubric carefully — the marking points cluster into scientific ideas rather than free-form prose.

## Sample questions

1. [A patient is given a radionuclide tracer that accumulates in tumour cells. Describe what happens to the tracer inside th…](https://www.gradenine.co.uk/q/a-patient-is-given-a-radionuclide-05ea147b)
2. [A student investigates the photoelectric effect using two different metals, P and Q. Metal P has a higher work function …](https://www.gradenine.co.uk/q/a-student-investigates-the-photoelectric-effect-0ea23dc8)
3. [A student claps two wooden boards together once while standing 85 m from a large flat wall. She hears an echo shortly af…](https://www.gradenine.co.uk/q/a-student-claps-two-wooden-boards-49dd4f30)
4. [A technician is storing radioactive sources in a laboratory. One source emits alpha radiation, one emits beta radiation,…](https://www.gradenine.co.uk/q/a-technician-is-storing-radioactive-sources-7f026022)
5. [A nuclear power station uses uranium-235 as fuel. During operation, the uranium-235 undergoes fission and produces sever…](https://www.gradenine.co.uk/q/a-nuclear-power-station-uses-uranium-235-975fce10)
6. [A cyclist is travelling along a flat road at a steady speed. The cyclist then stops pedalling and gradually comes to a s…](https://www.gradenine.co.uk/q/a-cyclist-is-travelling-along-a-a33e9543)
7. [Describe how body temperature is measured using a clinical thermometer and explain why maintaining a normal core body te…](https://www.gradenine.co.uk/q/describe-how-body-temperature-is-measured-b9a30562)
8. [Describe how the loudness and frequency of a sound are represented in the vibrations of the eardrum, and explain why ver…](https://www.gradenine.co.uk/q/describe-how-the-loudness-and-frequency-e6cf5f0f)

## Related

- [AQA A-Level Physics (7408) revision notes](https://www.gradenine.co.uk/learn/aqa-a-level-physics-7408)
- [AQA A-Level Physics (7408) past papers](https://www.gradenine.co.uk/past-papers/aqa-a-level-physics-7408)
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