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What to Expect from Physics in 2025
With the 2025 Leaving Cert Physics paper fast approaching, we've analysed trends from 2020-2024, including deferred papers, to give you the most accurate predictions possible. Here's everything you should focus on.
🔬 Section A - Experiments ( 3 from 5)
Expect one experiment each from Mechanics and Electricity, with two more likely from Light, Heat, or Sound.
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Mechanics: Simple Pendulum, Conservation of Momentum, Boyle's Law
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Light/Heat/Sound: Snell's Law, Specific Heat Capacity, Joule's Law, Frequency vs 1/Length
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Electricity: Thermistor or Metallic Conductor - Resistance vs Temperature
✅ Pro Tip: Focus on graphs, real-life applications, and typical sources of error in each experiment.
🧠 Section B - Long Questions ( 5 from 9)
📌 Question 6 - Short Questions ( 8 from 12)
Cover all topics - ideal for quick wins. Be clear, concise, and move on quickly.
🛠️ Question 7 - Mechanics
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Gravity & Newton's Law
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Pressure, Fluids & Density
🌊 Q8-Q12 - Variety of Topics
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Static electricity & electromagnetic induction
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Mirrors, lenses, wave motion
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Nuclear physics & radioactivity
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Wheatstone bridge, Resistance graphs (I vs V)
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Options: Particle Physics or Applied Electricity
✨ Question 14 - Conceptual Mix
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Simple Harmonic Motion (SHM)
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Refraction and Prisms
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Doppler Effect
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Photoelectric Effect
General Patterns in LC Physics Question
At least one Mechanics and one Electricity experiment appears every year.
Questions 5 and 13 cover short questions from a wide range of topics.
Q6 often focuses on Mechanics, SHM, or Gravity.
Q7 usually includes Heat, Light, or Sound.
Q8 typically covers Electromagnetism, Electricity, or Nuclear Physics.
Q10 commonly relates to Particle Physics and Applied Electricity.
Q11 is a comprehension-style mixed topic question.
Q12 generally includes 4 mini-sections from across the course.
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📊 What Came Up in 2020-2024?
Here's a snapshot of what's been tested most often:
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2024: F vs a, Lens, Fusion of Ice, Radioactivity, Capacitors
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2023: Free fall, Mirror, Joule's law, Sound
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2022: Boyle's law, Snell's law, Joule's law, SHM
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2021: Pendulum, Resistance, Newton's law
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2020: Conservation of momentum, Snell's law, Radioactivity
🧠 Frequently Asked Questions
📄 Deferred Papers - Do They Matter?
Absolutely. In recent years:
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2023 reused material from the 2022 deferred paper.
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2022 also reflected 2021’s deferred content.
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Expect up to 2 overlapping questions in style or topic.
👀 Watch this space: If the 2024 deferred paper is released soon, study it closely.
