- Basic Concepts of Light
A simple introduction to light, ray, beam, optical medium, transparent, translucent and opaque materials, and the main branches of optics.
- Reflection of Light
A simple lesson on reflection of light, laws of reflection, regular and diffuse reflection, and real and virtual images.
- Mirror
A simple lesson on mirror, plane mirror, spherical mirror, lateral inversion, number of images, periscope and kaleidoscope.
- Curved Mirror
A simple lesson on spherical mirror, concave mirror, convex mirror, pole, focus, focal length and mirror ray diagrams.
- Image Formation by Curved Mirror
A simple ray diagram based lesson on image formation by concave and convex mirrors.
- Refraction of Light
A simple lesson on refraction of light, Snell's law, refractive index and the path of light in rarer and denser media.
- Critical Angle and Total Internal Reflection
A simple lesson on critical angle, total internal reflection, conditions of TIR and the formula sin C = 1/μ.
- Prism and Lens
A simple lesson on prism, refraction through prism, spectrum, dispersion, convex lens, concave lens, optical centre and focus.
- Image Formation by Lens
A simple lesson on image formation by convex and concave lenses with ray diagrams and tables.
