Physics Light - Reflection and Refraction CBSE Board 2026 Hard
(i) Define the optical centre of a lens. (ii) The light from an object placed on a meter scale at 8 cm mark,…
- (i)Define the optical centre of a lens.
- (ii)The light from an object placed on a meter scale at 8 cm mark, was focused on a white screen placed at 92 cm mark, with the help of a converging lens placed on the scale at 50 cm mark : (I) Find the focal length of converging lens. (II) Find the position of image if the object is shifted towards the lens and kept at 29 cm mark. (III) What will be the nature of the image formed if the object is further shifted towards the lens ?
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