What is Physics? Student Guide
Physics is the study of matter, energy, space, and time — and how they interact. It seeks to explain everything from the smallest particles to the largest galaxies, using logic, mathematics, and experimentation to uncover the rules of the universe.
At its core, physics is about curiosity and problem-solving. Whether exploring why planets orbit the sun, how electricity powers a home, or how black holes bend space, physicists ask bold questions and develop elegant theories that drive technology and innovation.
In this article, we’ll explore what makes physics so important, the key concepts you’ll study, real-world applications, groundbreaking physicists, exciting career paths, and how to dive into the subject with ǶƵ.
Why Study Physics?
Physics is a foundational science that explains how the universe works — and gives you tools to shape the future.
- It helps you understand the world around you
From gravity and sound waves to atoms and electricity, physics explains the forces and phenomena that shape everyday life and the wider universe. - It builds powerful problem-solving skills
Studying physics strengthens your logical reasoning, data analysis, and mathematical thinking — useful for scientific research and beyond. - It leads to technological breakthroughs
Every major advancement — from quantum computing to GPS — relies on physics. This subject drives the innovation that transforms society. - It connects theory with hands-on discovery
Physics blends deep questions with experimentation, encouraging you to explore, test, and build your own understanding of the world.
Key Concepts in Physics
1. Mechanics and Motion
Learn how objects move and interact under forces. You’ll study velocity, acceleration, momentum, and Newton’s laws — foundational ideas that explain everything from car crashes to planetary motion.
2. Electricity and Magnetism
Explore electric currents, circuits, and electromagnetic fields. You’ll learn how electricity powers homes, how magnets work, and how this knowledge fuels electronics and renewable energy systems.
3. Thermodynamics and Energy Transfer
Understand how heat and energy move through systems. You’ll explore concepts like conduction, radiation, entropy, and the laws of thermodynamics, essential to engines, climate systems, and more.
4. Waves and Light
Study how sound, light, and other waves behave. You’ll explore frequency, interference, refraction, and the electromagnetic spectrum — and see how wave science powers communication and imaging.
5. Quantum Physics
Dive into the strange world of particles, uncertainty, and probability. You’ll learn about wave-particle duality, superposition, and how quantum mechanics underpins modern tech like semiconductors and lasers.
6. Astrophysics and Cosmology
Explore the universe beyond Earth. You’ll study stars, galaxies, dark matter, and the Big Bang — learning how physics helps us understand space, time, and the evolution of the cosmos.
Real-World Applications of Physics
Medical Imaging and Technology
Physics powers MRI machines, X-rays, and ultrasound. These tools allow doctors to see inside the body, diagnose illness, and guide treatments — all based on principles of sound, magnetism, and radiation.
Space Exploration
Rocket launches, satellite orbits, and planetary missions all rely on physics. Scientists use equations of motion, gravity, and energy transfer to explore the solar system and beyond.
Renewable Energy
Wind turbines, solar panels, and hydroelectric systems all depend on physics. Understanding energy conversion, fluid dynamics, and electromagnetism helps engineers build efficient green technologies.
Telecommunications and the Internet
Mobile phones, Wi-Fi, and fibre optics rely on wave physics and quantum science. Physics enables data transmission, signal processing, and the infrastructure of modern communication.
Climate Modelling and Weather Forecasting
Physicists use thermodynamics and fluid dynamics to model weather systems and predict climate change. Their work supports disaster preparedness and global sustainability efforts.
Quantum Computing and Nanotechnology
Advances in quantum physics have led to ultra-powerful computers and materials at the atomic scale. These innovations are transforming computing, security, and manufacturing.
Famous Figures in Physics
Isaac Newton
One of the most influential scientists of all time, Newton formulated the laws of motion and universal gravitation. His work laid the foundation for classical physics and mechanics.
Marie Curie
A pioneer in radioactivity, Curie was the first woman to win a Nobel Prize — and the only person to win in two scientific fields. Her discoveries advanced nuclear physics and medical treatments.
Albert Einstein
Best known for the theory of relativity, Einstein revolutionised how we understand time, space, and energy. His famous equation, E=mc², helped unlock atomic power and deepened our view of the universe.
Stephen Hawking
Hawking's work on black holes, singularities, and cosmology brought advanced ideas to a wide audience. His theories helped bridge gaps between general relativity and quantum mechanics.
Chien-Shiung Wu
A Chinese-American physicist who made groundbreaking contributions to nuclear physics. Her work challenged established laws and helped shape the modern understanding of weak force interactions.
What Careers Can You Pursue with Physics?
Astrophysicist or Cosmologist
Study the universe’s origins, structure, and future. You’ll work with data from telescopes and satellites to explore galaxies, dark matter, black holes, and cosmic evolution.
Engineer (Mechanical, Electrical, Civil)
Use physics principles to design, build, and improve machines, buildings, or infrastructure. Engineers apply problem-solving and technical skills to solve real-world challenges.
Data Scientist or Analyst
Apply mathematical and computational thinking to solve problems using data. Physicists often excel in this field due to their training in modelling, statistics, and logical reasoning.
Medical Physicist
Work in hospitals or research labs to improve imaging, cancer treatment, or radiation safety. This career combines patient care with scientific expertise and technology.
Research Scientist or Academic
Contribute to knowledge in labs, universities, or industry. You might study materials, particles, energy systems, or theoretical concepts — and publish findings that shape the future.
Software Developer or AI Specialist
Use logic and algorithmic thinking to build systems, applications, or smart technologies. Many physicists move into tech because of their strong maths and modelling background.
Meteorologist or Climate Scientist
Predict weather and study climate patterns using physics-based models. You’ll analyse atmospheric data to forecast storms, understand climate change, and advise on environmental policy.
Finance or Risk Analyst
Physics graduates are sought after in finance for their analytical thinking. You might model economic trends, assess investment risks, or build algorithms for trading systems.
Explore Physics at ǶƵ
At ǶƵ, we offer engaging Physics programmes for students aged 13–24, taught in small groups by expert tutors in the world-renowned academic cities of Oxford and Cambridge.
You’ll explore key concepts like motion, energy, electricity, and space — and engage in interactive, discussion-based learning tailored to your interests. Whether you're drawn to quantum theory, cosmology, or applied mechanics, this course helps you think like a scientist.
📍 Available Courses:
Oxford:
Cambridge:
Conclusion: Is Physics Right for You?
If you’re fascinated by how the universe works, enjoy solving problems, and want to apply science to real-world challenges — Physics could be the perfect subject for you. It’s rigorous, rewarding, and full of discovery.
To secure your preferred location, we highly recommend applying early. Each of our Physics courses has a limited number of places available, and they tend to sell out quickly. Once they are full, no further places will be available.
Submit your application today to ensure you don’t miss the opportunity to study Physics in Oxford or Cambridge. Apply Now.
About the author
Rhys Mackenzie is the Website Marketing Manager at ǶƵ. With extensive experience in SEO and digital content management, they are passionate about showcasing the best that Oxford has to offer. Their previous role at Experience Oxfordshire gave them a deep appreciation for the city's unique cultural and academic offerings. Learn more about Rhys here.
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Summary
Physics explores the fundamental principles of matter, energy, space, and time — from atoms to galaxies. At ǶƵ, students aged 13–24 can study Physics in Oxford or Cambridge, developing critical thinking and scientific skills through interactive, tutor-led sessions.
