Sound and Light

Sound and Light

1. Sound and Light Energy

2. The Law of Reflection

3. Concave and Convex Moirrors

   • Concave shows a wide perspective and enlarges the image.
   • Convex focuses on a point and makes the image smaller.

4. Light Passing Through Materials

5. Concave and Convex Lenses

   • Concave lenses are for near-sighted people.
   • Convex lenses are for far-sighted people.

6. Eye Anatomy

7. Long and Short Sightedness

   • Being longsighted means the focal point of the light passing through your eyes goes past the retina.
   • Being short-sighted means the focal point of the light passing through your eyes doesn't go the retina.

8. Seeing Colours

9. Sound Transfer

10. The Ear

11. Light Dispersal ans Spectrum