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Guiding Breakthrough Research at University of Galway
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Bachelor of Science Physics
CAO Code: GY320
Course Overview
GY320 Physics is the fundamental science, which seeks to understand the basic laws governing the structure of matter, the nature of energy and the physical forces that form our world. Its span of interest ranges from the nature of the short-range forces which operate inside the atomic nucleus to the origin and structure of the universe.
If you have an enquiring mind, and are interested in discovering how things work, then this could be the course for you. The Bachelor of Science Physics four year degree at University of Galway offers you the flexibility in how you can study physics. It gives you the opportunity to experience a number of subjects along with core Physics before specialising in your chosen pathway in third year.
These pathways are:
- Applied Physics, the study of physics with particular emphasis on technological and practical applications
- Astrophysics, the part of astronomy that deals with the physics of the universe, including that of stars, black holes and galaxies
- Biomedical Physics, the application of physics to the medical and biological sciences
- Theoretical Physics, the application of mathematical tools and models to explain and predict physical phenomena
- Climate Physics, focussed on understanding the physics of climate change from a rigorous-science perspective, a study of the key processes driving climate change, enabling a response on a regional, national and international scale
You will be introduced to these pathways at the very start of the programme. Students will gain an insight into some of the most exciting and interesting areas of scientific inquiry.
Do I need honours level Mathematics?
No, but physics is mathematical. In the first and second year you will be required to take mathematics courses, which will bring you to the standard required.
Do I need Leaving Certificate physics?
Leaving Certificate physics will help you but it is not a requirement. We will teach you physics in first year.
What Our Students Say

Laura Britton | BSc Applied Physics
I have very fond memories of studying physics in University of Galway and have made lifelong friends along the way. The undergraduate degree gave me a strong foundation in physics theory, and in particular I developed the confidence to be able to break any problem down into its fundamentals and solve with critical thinking. I went on to study a masters in Key Enabling Technologies in the NCLA department which really helped me to hone my research and practical skills. During the masters, I conducted research alongside an exciting start-up company here in the West of Ireland. I am currently employed by this company as a photonics researcher and we are in the process of developing a light-based treatment to remove sea lice from fish! I enjoy my work and every day I am challenged to use the creative problem solving skills that I developed during my time in University of Galway.