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Physics for Engineers 1 by Giasuddin: A Review and Summary of Key Concepts

Physics for Engineers 1 by Giasuddin: A Comprehensive Guide

Physics is one of the fundamental sciences that underlies all branches of engineering. It provides the basic principles and concepts that help engineers to understand, analyze, design, and create various systems and devices. Physics for Engineers 1 by Giasuddin is a popular textbook that covers some of the essential topics in physics for engineering students. In this article, we will provide a comprehensive guide on what this book offers, what are the main topics covered, and why they are important for engineering students.

physics for engineers 1 by giasuddin


What is physics for engineers?

Physics for engineers is a branch of physics that focuses on the application of physical laws and theories to engineering problems. It involves using mathematical models, experiments, and simulations to study phenomena such as mechanics, electricity, magnetism, optics, thermodynamics, fluid dynamics, quantum mechanics, relativity, and more. Physics for engineers aims to provide engineers with the tools and skills to solve practical problems in various fields such as civil, mechanical, electrical, chemical, biomedical, aerospace, nuclear, and computer engineering.

Why is physics important for engineering students?

Physics is important for engineering students because it helps them to develop a solid foundation in scientific reasoning, critical thinking, problem-solving, creativity, and innovation. Physics also helps them to acquire a deeper understanding of how nature works and how engineering systems interact with it. Physics also enables them to explore new possibilities and frontiers in engineering research and development. By learning physics, engineering students can enhance their knowledge, skills, and abilities to become competent and successful engineers in their chosen fields.

What are the main topics covered in physics for engineers 1 by giasuddin?

Physics for Engineers 1 by Giasuddin is a comprehensive textbook that covers three main topics in physics: waves and oscillations, properties of matter, and heat and thermodynamics. These topics are essential for engineering students because they deal with some of the fundamental phenomena that affect engineering systems and processes. The book provides a clear explanation of the concepts, principles, formulas, examples, exercises, and applications of these topics. The book also includes diagrams, graphs, tables, and figures to illustrate the topics and enhance the learning experience. The book is divided into three parts, each containing several chapters that cover the following topics:

Waves and Oscillations

What are waves and oscillations?

Waves and oscillations are two related concepts in physics that describe the motion of a physical quantity that varies periodically in space and time. A wave is a disturbance that propagates through a medium or a vacuum, transferring energy and momentum from one point to another. An oscillation is a repeated back-and-forth motion of a system around an equilibrium position, resulting from a restoring force that tends to bring the system back to its original state. Examples of waves and oscillations include sound waves, light waves, water waves, electromagnetic waves, mechanical vibrations, pendulums, springs, and more.

What are the types of waves and oscillations?

Waves and oscillations can be classified into different types based on their characteristics and properties. Some of the common types of waves and oscillations are:

  • Transverse and longitudinal waves: Transverse waves are waves in which the direction of the disturbance is perpendicular to the direction of propagation. Longitudinal waves are waves in which the direction of the disturbance is parallel to the direction of propagation. Examples of transverse waves are light waves, electromagnetic waves, water waves, and string vibrations. Examples of longitudinal waves are sound waves, pressure waves, and compressional waves.

  • Standing and traveling waves: Standing waves are waves in which the nodes (points of zero displacement) and antinodes (points of maximum displacement) remain fixed in space. Traveling waves are waves in which the nodes and antinodes move along with the wave. Examples of standing waves are string vibrations, organ pipes, and resonant cavities. Examples of traveling waves are sound waves, light waves, and water waves.

  • Harmonic and anharmonic oscillations: Harmonic oscillations are oscillations in which the restoring force is proportional to the displacement from the equilibrium position. Anharmonic oscillations are oscillations in which the restoring force is not proportional to the displacement from the equilibrium position. Examples of harmonic oscillations are simple pendulums, springs, and LC circuits. Examples of anharmonic oscillations are nonlinear pendulums, damped oscillators, and forced oscillators.

What are the properties and applications of waves and oscillations?

Waves and oscillations have various properties and applications that are important for engineering students to understand and utilize. Some of these properties and applications are:


Interference is the phenomenon in which two or more waves superpose to produce a resultant wave that has a different amplitude and phase than the individual waves. Interference can be constructive or destructive depending on whether the resultant wave has a greater or smaller amplitude than the individual waves. Interference can be used to measure wavelengths, create interference patterns, produce beats, enhance or cancel signals, and more.


Diffraction is the phenomenon in which a wave bends around an obstacle or passes through a slit or an aperture that is comparable to its wavelength. Diffraction causes the wave to spread out and form a diffraction pattern that depends on the shape and size of the obstacle or slit. Diffraction can be used to analyze light sources, create holograms, determine crystal structures, measure particle sizes, and more.


Polarization is the phenomenon in which a transverse wave has a preferred direction of vibration perpendicular to its direction of propagation. Polarization can be linear, circular, or elliptical depending on how the direction and magnitude of vibration change over time. Polarization can be used to filter light sources, reduce glare, enhance contrast, create 3D images, transmit data, and more.

Doppler effect

Doppler effect is the phenomenon in which the frequency or wavelength of a wave changes due to the relative motion between the source and the observer. Doppler effect causes the wave to appear shifted towards higher or lower frequencies depending on whether the source and observer are moving towards or away from each other. Doppler effect can be used to measure speeds, distances, blood flow, radar detection, sound localization, and more.

Properties of Matter

What are the properties of matter?

Matter is anything that has mass and occupies space. Matter can exist in different states such as solid, liquid, gas, plasma, or Bose-Einstein condensate depending on its temperature and pressure. Matter has various properties that describe its physical characteristics such as density, elasticity, viscosity, surface tension, capill 71b2f0854b


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