Physics is the study of basic principles that govern the Physical World around us. It is the study of energy and matter. More precisely how matter and energy interact with each other and how they affect each other. Physics will always be exciting and things keep changing with every new discovery. With new theories and discoveries, not just the answer but also the question changes. This is why many individuals define it by what it was instead of what it will be.
Physics helps us to organize the universe and it gives you the powerful tools to express your creativity and see the world in new ways. It gives you the quantitative and analytic skills needed for analyzing data and solving problems in the sciences, medicine, engineering, finance, management, as well as in economics, law, and public policy.
Emergence of Physics
Early greeks established the first quantitative physical laws such as the Archimedes’ descriptions of the principle of levers and the buoyancy of bodies in the water. Physics as a Science stagnated for years and no one conducted experiments. By 17th Century, Galileo Galilei and Issac Newton explored the use of Mathematics as a fundamental tool and brought further advancements such as the Law of Gravity and Law of Motion.
During the 1800s Laws of Magnetics, Electromechanical waves were developed by Faraday and Maxwell. Moder Physics began in the 20th century with the discovery of X-Rays, Quantum Hypothesis, and Atomic Theory.
Chapter 1 Introduction to Physics
1.1 Understanding Physics
1.2 Understanding Base Quantities and Derived Quantities
1.3 Understanding Scalar and Vector Quantities
1.4 Understanding Measurements
1.5 Applying Scientific Investigations
Chapter 2 Forces and Motion
2.1 Analysing Linear Motion
2.2 Analysing Motion Graphs
2.3 Understanding Inertia
2.4 Analysing Momentum
2.5 Understanding the Effects of a Force
2.6 Analysing Impulse and Impulsive Force
2.7 Being Aware of the Need for Safety Features in Vehicles
2.8 Understanding Gravity
2.9 Analysing Forces in Equilibrium
2.10 Understanding Work, Energy, Power and Efficiency
2.11 Appreciating the Importance of Maximising the Efficiency of Devices
2.12 Understanding Elasticity
Chapter 3 Forces and Pressure
3.1 Understanding Pressure
3.2 Understanding Pressure in Liquids
3.3 Understanding Gas Pressure and Atmospheric Pressure
3.4 Applying Pascal’s Principle
3.5 Applying Archimedes’ Principle
3.6 Understanding Bernoulli’s Principle
Chapter 4 Heat
4.1 Understanding Thermal Equilibrium
4.2 Understanding Specific Heat Capacity
4.3 Understanding Specific Latent Heat
4.4 Understanding the Gas Laws
Chapter 5 Light
5.1 Understanding Reflection of Light
5.2 Understanding Refraction of Light
5.3 Understanding Total Internal Reflection of Light
5.4 Understanding Lenses
Chapter 6 Waves
6.1 Understanding Waves
6.2 Analysing Reflection of Waves
6.3 Analysing Refraction of Waves
6.4 Analysing Diffraction of Waves
6.5 Analysing Interference of Waves
6.6 Analysing Sound Waves
6.7 Analysing Electromagnetic Waves
Chapter 7 Electricity
7.1 Analysing Electric Fields and Charge Flow
7.2 Analysing the Relationship between Electric Current and Potential Difference
7.3 Analysing Series and Parallel Circuits
7.4 Analysing Electromotive Force and Internal Resistance
7.5 Analysing Electrical Energy and Power
Chapter 8 Electromagnetism
8.1 Analysing the Magnetic Effect of a Current-carrying Conductor
8.2 Understanding the Force on a Current-carrying Conductor in a Magnetic Field
8.3 Analysing Electromagnetic Induction
8.4 Analysing Transformers
8.5 Understanding the Generation and Transmission of Electricity
Chapter 9 Electronics
9.1 Understanding the Uses of the Cathode Ray Oscilloscope
9.2 Understanding Semiconductor Diodes
9.3 Understanding Transistors
9.4 Analysing Logic Gates
Chapter 10 Radioactivity
10.1 Understanding the Nucleus of an Atom
10.2 Analysing Radioactive Decay
10.3 Understanding the Uses of Radioisotopes
10.4 Understanding Nuclear Energy
10.5 Realising the Importance of Proper Management of Radioactive Substances
Importance | Why Study Physics?
Physics is one of the most important subjects in modern times. It has got a huge prominence in our day to day life and everything we do in our lives is related to this subject. Some of the key points why we need to study Physics is given in the below modules
- Without Physics, we can’t imagine our lives and there would be no cars, airplanes, motorbikes, light bulbs, digital cameras, grocery laser scanners, solar panels, computers, and much more.
- It defines the universe with the simplest definitions possible. It does that by basic quantities and units such as electric field, kinetic energy, and velocity, etc.
- Physics opens up the door to many career options.
- You can find relations between measurable quantities like Newton’s laws of motion, special relativity, and conservation of energy.
At Aplustopper we have got several Video Lessons and 3D Animation Techniques that will help you retain the concepts for a longer time. It can be fun learning and you will fall in love with the subject with our teaching methods.
Free Physics Study Material
We at Applustopper hosts several links to know the Chapteriwse Physics Concepts. You can access them at any time and learn the concepts you wish to learn and all of them are given in a detailed way. Links to each article are given under their Parent Topics and you can prepare using them.
Frequently Asked Questions
1. Why Should One Learn Physics?
Physics is one of the branches of science that deals with energy, Matter, and their interactions. One should learn Physics to understand the fundamentals of nature. It even helps to improve quantitative and analytical skills in the fields of medicine, engineering, etc. Most importantly, we can understand the reasons behind the things we see in our day to day lives.
2. Name five branches of Physics?
Five main branches of Physics are as follows
- Classical mechanics
- Quantum mechanics
- Electronics and electromagnetism
- Optics
- Relativity
3. What is the best way to learn Physics?
You can learn Physics using the preparation resources such as Study Materials, Notes, etc. by accessing the quick links available on our page.
4. What is the main purpose of Physics?
The major purpose of Physics is to explain how the universe works with the help of laws, theories, and principles.
5. What is the role of Physics in our day to day lives?
Physics explains the logic behind the things we do in our day to day life which are often left unanswered. You can find answers to plenty of questions like “what is the reason behind the twinkling of the stars,” why we don’t fall while we are walking on the floor, why we tend to move forward when the bus stops suddenly, etc. using Physics in our daily lives.