Physics Light - Reflection and Refraction CBSE Board 2025 Medium
An object is placed at a distance of 20 cm from the optical centre of a concave lens and its image is formed…
An object is placed at a distance of cm from the optical centre of a concave lens and its image is formed on the same side of the lens as the object. If the distance of the image from optical centre of the lens is cm, use lens formula to determine
- (i)focal length, and
- (ii)power of the lens in new Cartesian sign conventions.
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