Cambridge Board > Class 8 > General Science (Total Videos: 174)

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Chapter 11: Lenses (11 videos)   (Practice Test)
11.1: Lenses  (Practice Test)
  1. Lens Terminologies
  2. Types of Lenses
11.2: Image Formation by Lenses  (Practice Test)
  1. Convergence and Divergence of Lenses
  2. Image Formed by Convex Lens
  3. Image Formation by Concave Lens
11.3: Image Formation in Camera and Human Eye  (Practice Test)
  1. Introducing Camera
  2. Human Eye
11.4: How Eyes Get Used to Darkness After Some Time
  1. Adjustment of Eyes to Darkness
11.5: Defects of Human Eye
  1. Shortsightedness
  2. Farsightedness
11.6: Uses of Lenses  (Practice Test)
  1. Uses of Lenses