A Solid Foundation In The Physics Of Waves, Sound And Optics

Light, sound, Huygens-Fresnel, polarisation, reflection, refraction, diffraction, beats, interference, Doppler, film

What you'll learn

Understand the properties and behaviour of waves, including electromagnetic and sound waves

Use the Huygens-Fresnel principle to describe the reflection of light from a surface, including diffuse and specular reflection

Use ray diagrams to describe the images formed by a mirror due to the reflection of light

Use Snell's law to describe the refraction of light through a surface and total internal reflection

Use ray diagrams to describe the images formed by a lens due to the refraction of light

Understand the difference between waves and pulses and their properties like wavespeed, amplitude and energy

Understand the difference between longitudinal and transverse waves

Describe the properties of periodic waves, including period, frequency and wavelength

Describe the behaviour of waves at boundaries and how the polarisation of electromagnetic waves influences intensity using Malus' law

Interpret the electromagnetic spectrum and derive the energy density of electromagnetic waves

Explain the Doppler effect by analysing sound waves propagating from a moving object

Understand wave interference and how it results in the formation of beats and standing waves

Describe the diffraction of light using a single-slit and Young's double-slit experiment, and the influence of diffraction grating

Understand the phase change of light, and thin-film interference and its applications

Requirements

Basic knowledge of introductory physics (mechanics)

Basic algebra

Description

This course is designed to make learning Physics (Waves, Sound and Optics) easy. It is well-arranged into targeted sections of focused lectures and extensive worked examples to give you a solid foundation while enhancing your understanding in key Physics topics.The course is ideal for:Current physics students who have taken mechanics and want to be at the top of their classFirst year university students who are taking Physics or EngineeringAny person who wants to improve their understanding and problem solving skills in PhysicsAny person who has taken physics a while ago and wants a quick refresher courseAt the end of this course, you will have a strong foundation in one of the most important disciplines in Physics, which you will definitely come across if you are from a science or engineering (applied science) background. I welcome any questions and provide a friendly Q&A forum where I aim to respond to you in a timely manner. Enrol today and you will get:Lifetime access to refer back to the course whenever you need toFriendly Q&A forumUdemy Certificate of Completion30-day money back guaranteeThe course covers the following core units and topics of Electricity and Magnetism:1) Geometric Opticsa) Reflection using the Huygens-Fresnel principle, and diffuse vs specular reflectionb) Derive the mirror equation and predict the formation of images by reflection using ray diagramsc) Use Snell's law to describe the refraction of light through a surface and total internal reflectiond) Derive the thin lens equation and predict the formation of images by refraction using ray diagrams2) Waves, Sound and Physical Opticsa) Waves vs wave pulsesb) Wave speed of electromagnetic waves and mechanical waves propagating through a stringc) Transverse vs longitudinal wavesd) Properties of waves, including amplitude and energye) Periodic waves and their properties (period, frequency, wavelength)f) Wave behaviour at boundaries and polarisationg) Effect of wave polarisation on intensity and Malus' lawh) Electromagnetic waves and the electromagnetic specturmi) Doppler effectj) Wave interference and the formation of beats and standing waves3) Diffraction and Phase Change of Light Wavesa) Intro to diffractionb) Diffraction patterns due to single-slit interferencec) Influence of opening shapes on diffraction patternsd) Young's double-slit experiment, interference, diffraction and light intensitye) Diffraction gratingf) Phase change of light wavesg) Thin-film interference and its applications

Overview

Section 1: Introduction

Lecture 1 Course introduction

Lecture 2 Intro to waves, wavefronts and light rays

Section 2: Geometric Optics

Lecture 3 Reflection, Huygens-Fresnel principle

Lecture 4 Diffuse and specular reflection

Lecture 5 Mirrors and images

Lecture 6 Mirror equation

Lecture 7 Ray diagrams and principal rays for mirrors

Lecture 8 Worked example on mirrors, images and ray diagrams

Lecture 9 Snell's law, refraction

Lecture 10 Total internal reflection

Lecture 11 Worked example on Snell's law, refraction and total internal reflection

Lecture 12 Thin lenses and images

Lecture 13 Thin lens equation

Lecture 14 Ray diagrams and principal rays for lenses

Lecture 15 Worked example on lenses, images and ray diagrams

Section 3: Waves, Sound and Physical Optics

Lecture 16 Waves and wave pulses

Lecture 17 Wave speed of EM waves and waves in a string

Lecture 18 Speed of sound

Lecture 19 Transverse and longitudinal waves

Lecture 20 Wave amplitude and energy

Lecture 21 Periodic waves, period, frequency and wavelength

Lecture 22 Wave behaviour at boundaries

Lecture 23 Polarisation of waves

Lecture 24 Wave polarisation and intensity, Malus' law

Lecture 25 Electromagnetic waves

Lecture 26 Electromagnetic spectrum

Lecture 27 Energy density of electromagnetic waves

Lecture 28 Doppler effect

Lecture 29 Worked example on the doppler effect

Lecture 30 Wave interference

Lecture 31 Beats, tuning forks

Lecture 32 Standing waves

Lecture 33 Standing waves in tubes

Section 4: Diffraction and Phase Change of Light Waves

Lecture 34 Diffraction

Lecture 35 Diffraction patterns, single slit interference experiment

Lecture 36 Influence of opening shapes on diffraction patterns

Lecture 37 Worked example on diffraction patterns and single slit interference

Lecture 38 Young's double slit experiment, interference, diffraction, intensity

Lecture 39 Diffraction grating

Lecture 40 Worked example on Young's double slit experiment

Lecture 41 Worked example on diffraction grating

Lecture 42 Phase change of light waves

Lecture 43 Thin-film interference

Lecture 44 Practical applications of thin-film interference

Lecture 45 Worked example on thin-film interference

Current physics students who have taken mechanics and want to be at the top of their class,First year university physics and engineering students,Any person who wants to improve their understanding and problem solving skills in physics,Any person who has taken physics a while ago and wants a quick refresher course