Unit 13 · Geometrical Optics
15 randomly selected questions from a bank of 60 · one attempt · 15 minutes on the clock.
Topics covered
- Reflection — the laws of reflection, image formation by spherical mirrors, the mirror equation, and uses of concave/convex mirrors
- Refraction — Snell's law, refraction through a glass slab and a prism, and the refractive index
- Total internal reflection, the critical angle, and optical fibers (structure and telecommunication use)
- Lenses — power of a lens, the lens equation, and image formation by convex lenses
- Uses of a single lens — magnifying glass, camera, projector, and photographic enlarger
- Resolving power and magnifying power, the simple and compound microscope, and the telescope
- The human eye, and the correction of short-sightedness (myopia) and long-sightedness (hyperopia)
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