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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.

Transformers: History, Basic Principle, Construction, Working Mechanism, Types and Applications

September 30, 2025 by Rabina Kadariya
AC Generator 1

Introduction to Transformers Transformers are the devices for setting electrical energy between two or more circuits. It works on the basis of the principle of electromagnetic induction. Its main use … Read more

AC Generator: History, Basic Principle, Main Parts, Working Mechanism, Types and Applications

September 24, 2025 by Rabina Kadariya
AC Generator

Introduction to AC Generators 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 … Read more

Dynamo: Introduction, History, Principle, Types and Applications

September 25, 2025September 22, 2025 by Rabina Kadariya
Direct Current 2

Introduction to Dynamo: Definition and Principle A dynamo is one of the major applications of electromagnetic induction. It converts mechanical energy into direct current (DC) electrical energy. It is a … Read more

Electromagnetic Induction: Faraday’s Law, Types, Direction of the Quantities and Applications

September 25, 2025September 18, 2025 by Rabina Kadariya
EM

Introduction to Electromagnetic Induction 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 … Read more

Motor Effect: History, Principle, Direction of Force, Types, Applications and Limitations

September 25, 2025September 16, 2025 by Rabina Kadariya
Motor Effect

Introduction to the 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 … Read more

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

September 25, 2025September 14, 2025 by Rabina Kadariya
Magnetic flux

Definition of Magnetic Flux (ฮฆ) 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 … Read more

Magnetic Effects of Electric Current: Discovery, Different Rules for Directions, Force Developed, Derived Laws and Practical Applications

September 14, 2025 by Rabina Kadariya
Standard candles 1

Definition of the Magnetic Effects of Electric Current The electric current along a conductor is eligible to produce a magnetic field around it. This effect is known as the magnetic … Read more

Alternating Current (AC) vs. Direct Current (DC): Comparing Flow Type, Resistance and Impedance, Transmission, Conversion and Applications

September 8, 2025 by Rabina Kadariya
Direct Current 1 1

Definitions of AC and DC Alternating Current and Direct Current are the configurations to provide direction to the current flow. Alternating Current (AC) vs. Direct Current (DC) comparison shows a … Read more

Direct Current: Common Sources, Circuit Basics, Ripple Filtering, Power Transmission, Measurement and Safety Measures

September 8, 2025September 5, 2025 by Rabina Kadariya
Direct Current

Definition of Direct Current (DC) In electricity, current can be made to flow in two ways: either uniformly or periodically back and forth. Direct current (DC) is a type of … Read more

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