01 Force and Motion II
02 Pressure
03 Electricity
04 Electromagnetism
05 Electronics
06 Nuclear Physics
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6.3.4 Concave Lens

Rules in Drawing Ray Diagram for Concave Lens

  1. A light ray passes through the optical centre of the lens will not be refracted.
  2. A light ray parallel to the principle axis will be refracted away from the principle focus
  3. A light ray moving towards the optical centre will be refracted parallel to the principle axis.

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Concave Lenses