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Physics Light - Reflection and Refraction CBSE Board 2026 Hard

(i) Define the focus of a convex lens. (ii) An object placed on a meter scale at 8 cm mark, was focused on a…

  1. (i)Define the focus of a convex lens.
  2. (ii)An object placed on a meter scale at 8 cm mark, was focused on a white screen placed at 92 cm mark, by using a converging lens placed on the scale at 50 cm mark. (I) Find the focal length of converging lens. (II) Find the position of object if the image forms at 71 cm mark on meter scale. (III) State the nature of image formed if the object is kept on 36 cm mark of meter scale.

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