4-mark practice questions — IB DP Physics Standard Level (2023 syllabus)
94 questions · physics · View as Markdown
How to answer
4-mark questions are the shortest levels-of-response band. Aim for four scientific ideas, each in its own short sentence.
Sample questions
- Explain why the fringes in a double-slit interference pattern become less bright and eventually disappear at large angle…
- Explain why the motion of a simple pendulum released from a small angle can be modelled as simple harmonic motion, and i…
- Explain why the decay constant of a radioactive nuclide is unaffected by changes in temperature or chemical bonding of t…
- Explain why two stationary observers, one standing directly in front of an approaching ambulance and one standing direct…
- Explain why the rate of thermal energy transfer by conduction between two objects in contact decreases over time until i…
- Explain why enriched uranium, rather than natural uranium, is typically used as fuel in most nuclear fission reactors.
- Explain why the Earth's surface temperature remains approximately constant despite the Earth continuously absorbing radi…
- Explain why two identical resistors connected in parallel have a combined resistance that is less than the resistance of…