WJEC A Level Physics
WJEC A Level Physics Option D: Energy and the Environment Exam Questions
Free WJEC A Level Physics exam questions on Option D: Energy and the Environment, with mark schemes. Covers solar energy, the greenhouse effect, renewable resources, fission and fusion reactors and thermal conduction.
Option D: Energy and the Environment exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
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A Level Physics Flashcards
Every answer is written in mark scheme wording, so you learn exactly what examiners give marks for. Pick your exam board, then test yourself with the questions on this page.
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About WJEC A Level Physics Option D: Energy and the Environment
This option covers energy supply and climate.
What you need to know
- Climate Greenhouse effect, solar constant and albedo.
- Renewables Wind turbine power ½ρAv³, hydroelectric and tidal.
- Nuclear Fission and fusion reactors and their challenges.
- Thermal conduction Rate of heat flow and U-values.
Common mistakes in Option D: Energy and the Environment
- Forgetting the v³ dependence for wind.
- Confusing radiation and conduction losses.
- Ignoring efficiency in power calculations.
Try three Option D: Energy and the Environment exam-style questions
1. Explain why doubling wind speed increases power eightfold. (1 mark)
Show the mark scheme answer
Power is proportional to v³.
2. Explain the greenhouse effect. (2 marks)
Show the mark scheme answer
Earth emits infrared radiation (1), which greenhouse gases absorb and re-emit, warming the surface (1).
3. State one challenge of fusion reactors. (1 mark)
Show the mark scheme answer
Containing plasma at extremely high temperatures.
Option D: Energy and the Environment FAQs
What does Energy and the Environment cover?
Climate physics, renewables, nuclear reactors and conduction.
Is this an option?
Yes, it is one of the optional topics.
Why is ice melt a positive feedback?
Less ice lowers albedo, so more energy is absorbed.
Revise this topic with flashcards: A Level Physics Flashcards, with mark scheme answers for Anki and Quizlet.
