1.

The central portion of a lens is wrapped in black paper as shown below. An object is placed at 90 cm with the centre of curvature at 40 cm. What is the nature of image formed.

Answer»

The central portion of a lens is wrapped in black paper as shown below. An object is placed at 90 cm with the centre of curvature at 40 cm. What is the nature of image formed.




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