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What to Expect from DCG in 2024
With the 2024 Leaving Cert DCG 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 – Core Topics (3 from 5)
Expect three core questions. Emphasis will likely be on surface geometry, axonometric drawing, and developments. These have strong past-paper frequency and visual drawing emphasis.
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Surface Geometry: Especially cone and sphere interactions.
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Developments: Likely to involve truncated cones or oblique solids.
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Axonometric Projection: Often appears in Q1 or Q2. Be confident with inclined planes.
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Intersecting Planes: Make sure you can handle line-line intersections.
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Descriptive Geometry: Practice true length and angle questions.
✅ Pro Tip: Focus on graphs, real-life applications, and typical sources of error in each experiment.
🧠 Section B - Applied Graphics (5 from 9)
These will test your ability to apply principles in practical or real-world settings. Expect visualisation, perspective, and CAD-based graphics.
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Perspective Drawing: 1-point and 2-point likely to appear.
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Structural Forms: Industrial and architectural forms often assessed.
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Dynamic Mechanisms: Linkages and cam systems have strong potential.
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CAD Interpretation: Read orthographic to 3D translations.
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Assemblies: High chance of exploded views or sequence-based tasks.
🔧 Be ready to
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Interpret instructions precisely and show clean construction.
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📊 What Came Up in 2020–2023?
Here’s a snapshot of what’s been tested most often:
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2023: Axonometric, Developments, Perspective, Assemblies.
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2022: Conic sections, Linkages, Intersections, Perspective.
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2021: Developments, Surface Geometry, Structural Forms.
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2020: Dynamic Mechanisms, Perspective Drawing, Assemblies.
🧠 Frequently Asked Questions
What experiments are likely for Physics in 2025?
Simple Pendulum, Snell's law, Joule's law, and Resistance vs Temperature are all strong candidates based on trends.
Do deferred exams affect the main paper?
Sometimes - recent years show overlap between deferred and main papers. It's worth checking the 2024 deferred paper once released.
What experiments are likely for DCG in 2024?
Simple Pendulum, Snell’s law, Joule’s law, and Resistance vs Temperature are all strong candidates based on trends.
Do deferred exams affect the main paper?
Sometimes – recent years show overlap between deferred and main papers. It’s worth checking the 2024 deferred paper once released.
📄 Deferred Papers - Do They Matter?
Yes - and no. The SEC usually avoids repeating experiments year-to-year. But in 2023, two experiments from the 2023 deferred paper were reused in 2024.
Plus, the 2022 deferred paper had three overlaps with the 2023 paper.
👀 Watch this space: If the 2024 deferred paper is released soon, study it closely.
