| Disc 7 - Light and Optical projections. |
| Topic |
Lesson Name |
| Sources of light. Propagation of light |
- Natural sources of light
- From a bonfire to a laser
- Light is all we can see
- How does light propagate?
- What can happen to a ray of light?
- Energy and light
|
| Umbra and penumbra. Solar and lunar eclipse |
- When does umbra occur?
- When does penumbra occur?
- The cones of umbra and penumbra
- Lunar eclipse
- Solar eclipse
- Angular dimensions
|
| Reflection of light. Flat mirrors and their application |
- How does light reflect from a smooth flat surface?
- How do mirrors form images?
- Diffusion of light
- Why is the sky bright?
- Virtual image
|
| Images in spherical mirrors |
- What should you know about spherical mirrors?
- The path of characteristic rays in a concave mirror
- How do spherical mirrors form images?
- What are spherical mirrors used for?
- Convex mirrors
|
| Refraction of light |
- What is the refraction of light?
- The law of refraction
- How much can light refract?
|
| Why does light refract? |
- What causes changes in the direction of movement?
- Velocity of light in a vacuum and in transparent media
- Refractive index of a transparent medium
|
| Optical illusions |
- Optical illusions
- Inferior mirages
- Superior mirages
- Atmospheric refraction
|
| Dispersion of light |
- Is light coloured?
- How does light pass through a prism?
- How to obtain a spectrum of white light?
- Components of white light
- Rainbow
- The colours of bodies
|
| Types and properties of lenses |
- Types of lenses
- How does light refract in a converging lens?
- The reversibility of the path of rays
- How light is refracted in a divergent lens?
- Properties of lenses
|
| Images formed by lenses |
- What kind of images can be formed by lenses?
- What does the size of an image depend on?
- Construction of images formed by lenses
- Magnification
|
| The structure of the human eye. |
- Vision defects
- The structure and system of the human eye
- The mechanisms of seeing
- Vision distortions and how to correct them
- Optical illusions
|
| Optical instruments |
- The path of rays in optical instruments
- Magnifying glass
- The structure of a microscope
- Telescope
- Photographic camera
|
