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Converging and Diverging Lenses

Converging and Diverging Lenses. SNC 2P1. Reflection Quiz. First we need to take up the Reflection Quiz. Correct your answers carefully so that you can use the quiz to help you study for the unit test. Many of the questions will be the same. Converging and Diverging Lenses.

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Converging and Diverging Lenses

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  1. Converging and Diverging Lenses SNC 2P1

  2. Reflection Quiz First we need to take up the Reflection Quiz. Correct your answers carefully so that you can use the quiz to help you study for the unit test. Many of the questions will be the same.

  3. Converging and Diverging Lenses Drop of water activity

  4. Converging and Diverging Lenses Converging Lenses: Lenses that make parallel light rays come together (converge) Diverging Lenses: Lenses that make parallel light move apart (diverge)

  5. Converging Lenses We use three rays to draw a ray diagram for converging lenses. Rules: • Any ray that enters the lens parallel to the principal axis will pass through the focal point on the other side of the lens. • Any ray that travels through the centre of the lens will keep travelling in the same direction. • Any ray that leaves from the focal point will leave the lens parallel to the principal axis.

  6. 1. 2. 3.

  7. Object between 1 and 2 focal lengths away

  8. Object more than 2 focal lengths away

  9. Object closer than 1 focal length away

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