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Physics

Physics is the fundamental science that explores the structure of matter and the interactions between its basic constituents across the observable universe.

It delves into both macroscopic and submicroscopic realms, aiming to understand the behavior of objects under various forces and the origins of fundamental force fields such as gravity, electromagnetism, and nuclear forces. At its core, physics seeks to formulate comprehensive principles that unify disparate phenomena.

The subject of physics encompasses numerous branches, each focusing on specific aspects of nature. These branches have evolved to encompass a vast array of phenomena, providing insights into the workings of the physical world.

Among the traditional branches are classical physics, which includes mechanics, optics, acoustics, and electromagnetism.

  • Mechanics, a cornerstone of classical physics, investigates the motion of objects with or without the application of force. It comprises classical mechanics, which deals with the laws governing motion and forces, and quantum mechanics, which delves into the behavior of subatomic particles.
  • Optics, another branch, examines the behavior, propagation, and properties of light across the electromagnetic spectrum, including infrared, visible, and ultraviolet light.
  • Thermodynamics explores the relationships between heat, work, and energy, as well as the mechanisms of heat transfer through convection, conduction, and radiation.
  • Electromagnetism investigates the fundamental forces of electric and magnetic fields, encompassing phenomena such as electricity, magnetism, and light.
  • Relativity, as formulated by Albert Einstein, fundamentally redefines our understanding of space and time, proposing that they are relative and dependent on the observer’s frame of reference.
  • Acoustics focuses on the study of sound waves and their transmission, production, and effects in various mediums, including gases, liquids, and solids.

Each branch of physics contributes to our understanding of the universe, addressing questions ranging from the origins of the cosmos to the behavior of subatomic particles.

Through continuous exploration and experimentation, physicists strive to open the mysteries of nature and uncover the underlying principles governing the physical world.

Momentum: Definition, Formula, Types & Conservation Law

December 26, 2025November 13, 2025 by Rabina Kadariya
P mv

Introduction to Momentum Simply, momentum is a mass in motion. All the moving objects like a moving person, a moving car, a football in motion or even a propelled rocket … Read more

Elastic vs. Inelastic Collisions: Differences, Formulas & Examples

December 26, 2025November 10, 2025 by Rabina Kadariya
Inelastic Collisions

Introduction to Collisions When we think about collision, a simple picture of two objects striking head to head comes into our mind. For example, two cars meeting head to head … Read more

Transformer: Working Principle, Types (Step-Up/Down) & Uses

December 26, 2025September 30, 2025 by Rabina Kadariya
AC Generator 1

Transformer is the device for setting electrical energy between two or more circuits. It works on the basis of the principle of electromagnetic induction. Its main use is to increase … Read more

AC Generator: Working Principle, Parts, & EMF Equation

September 24, 2025 by Rabina Kadariya
AC Generator

Unlike a Dynamo, an AC generator is a machine that converts mechanical energy into AC energy. It works on the principle of electromagnetic induction. A conductor moving in a magnetic … Read more

Dynamo (DC Generator): Working Principle, Parts & Diagram

December 26, 2025September 22, 2025 by Rabina Kadariya
Direct Current 2

A dynamo is one of the major applications of electromagnetic induction. It converts mechanical energy into direct current (DC) electrical energy. It is a traditional electricity generator that generates energy … Read more

Electromagnetic Induction: Faraday’s Laws, Formula & Examples

December 26, 2025September 18, 2025 by Rabina Kadariya
EM

Electromagnetic induction is the foundation of electromagnetism. Most important discoveries of physics and electrical engineering are on the basis of this phenomenon. It is the process of producing an electromotive … Read more

Motor Effect: Principle, Direction of Force, Types, Applications

December 26, 2025September 16, 2025 by Rabina Kadariya
Motor Effect

After the successful discovery of the relationship between electric current and magnetic field, there comes its important application called the motor effect. The mechanism of producing a mechanical motion by … Read more

Magnetic Flux: Formula, Units, Conversion, Calculations, Measurement, Applications

October 19, 2025September 14, 2025 by Rabina Kadariya
Magnetic flux

The concept of electromagnetism lies on those imaginary lines of magnetic field. Thus, the total number of field lines entering and leaving a particular surface area is known as magnetic … Read more

Magnetic Effects of Electric Current: Principles & Applications

December 26, 2025September 14, 2025 by Rabina Kadariya
Standard candles 1

The electric current along a conductor is eligible to produce a magnetic field around it. This effect is known as the magnetic effects of electric current. This is a naturally … Read more

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