5 Optics

This section has some quite tricky concepts and really you need to look at the animations and play with the settings to get a feel for what happens to x when I change y etc..  You also need to learn the key diagrams as this will help your explanations. Finally look carefully at the derivations as they also will help you explain the tricky stuff.

 

Resources

05 Optics Student Booklet

 

5.1 Refraction of light

05.1 Refraction

13_1_Refraction_Practical (refractive index of a glass or a perspex block)

13_1_snells_law (practical results)

Refraction of Light (Java Applet)

Reflection and Refraction of Light Waves (Explanation by Huygens’ Principle) (Java Applet)

Refraction Animation Shows Snell’s Law (Really Good)

 

5.2 More about refraction

05.2 More about Refraction

13_2_Refractive_Index_Water_Prac (Refractive Index of Water)

 

5.3 Total internal reflection

13_3_Fiber_Optics_HTML (HTML summary)

05.3 TIR

 

5.4 Double slit interference

05.4 Double Slit Interference

13_4_Youngs_Slits_Practical (Hard to make this practical work but interesting method)

Diffraction of Light by a Single Slit (Java Applet)

Interference of Light at a Double Slit (Java Applet)

 

5.5 More about interference/ 5.6 Diffraction/ 5.7 The diffraction grating

05.6 and 5.7 Diffraction

136_Practical_Properties_of_micro (Practical investigation of properties of transverse waves

13_7_Diff_grate_prac (Investigation into diffraction 1,2,3rd order for laser beam)

13_7_Laser_Diffraction_Results (example results for red neon laser)

13.7 Spectrometer setup (Instructions)

 

Extra Reading…

resolving power of eye (extension for interest)

Image Formation by Converging Lenses (Java Applet)

Refracting Astronomical Telescope (Java Applet)

https://www.phet.colorado.edu/en/simulations/category/physics/light-and-radiation

 

Amazing Refraction Magic Trick - The Appearing Beaker

Works on refraction and refractive index being matched.

Title

What to do

Site

Converging Mirror Lab

Image in concave mirror

PhysAviary

Image formation in curved mirrors

Images in mirrors

Geobra

Image formation in curved mirrors

Images in mirrors

Geobra

Image formation in plane mirrors

Images in mirrors

Geobra

Images in mirrors

Mirrors

Sim bucket

Mirrors

Images

Boston Uni

Mirrors and time

Least time

Boston Uni

Name That Image

Figure out image location/type of mirror

Physics Classroom

Optics Bench – Mirrors

 Use the bench to investigate images

Physics Classroom

Plane Mirror – How Tall?

Images

Boston Uni

Reflection and the Role of Time

Least time

Boston Uni

Who Can See Who

Game to use mirrors

Physics Classroom

Reflection, Time, and the Law of Reflection

Least time

Boston Uni

Refracting astronomical telescope

Telescopes

Fendt

Total Internal Reflection

TIR

Boston Uni

The Way a Mirror Works Lab (Concave)

Curved mirrors – concave

PhysAviary

The Way a Mirror Works Lab (Concave)

Curved mirrors – convex

PhysAviary

The Way a Mirror Works Lab (Plane)

Reflection analogy

PhysAviary

Reflection and refraction

Reflection/refraction

Geobra

Reflection and refraction of light

Reflection and refraction

Fendt

Least Time Principle

Drowned swimmer analogy

Physics Classroom

Refraction

Investigate effect of angle, media

Physics Classroom

Rainbow formation

Refraction

Geobra

Rainbow formation 3D

Refraction

Geobra

Refraction

Snell’s Law

Boston Uni

Refraction and the Role of Time

Least time

Boston Uni

Refraction in a Block

Snell’s Law

Boston Uni

Refraction Lab

Refraction

PhysAviary

Refraction, the Role of Time, and Snell’s law

Least time

Boston Uni

Title

What to do

Site

Diffraction of Light by a Single Slit

Diffraction

Fendt

Diffraction Lab

Diffraction of Light

PhysAviary

EM Spectrum Lab

Diffraction gratings

PhysAviary

RGB Color Addition

Add different colours, explore uploaded image

Physics Classroom

Painting with CMY

Change uniform colors and see effect

Physics Classroom

Color pigment mixing

Color

Geobra

Color vision

Color vision

PhET

Dispersion of light

Dispersion

Geobra

Light mixing

Color

Geobra

Coloured Shadows

Make coloured shadows

Physics Classroom

Color Filters

See effect of filters

Physics Classroom

Hit the Lights

See effect of stage lighting

Physics Classroom

Double slit diffraction/interference

Interference

Geobra

Double slit interference

Interference

Geobra

Interference of light double slit

Interference

Fendt

Thin film interference

Interference

Geobra

Young’s Experiment

Make measurements for double slit interference

Physics Classroom

Double slit interference with photons

Interference

Open Source Physics

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