An object 5 cm long and a pencil 10 cm long are placed in

Last updated: 6/25/2023

An object 5 cm long and a pencil 10 cm long are placed in front of a pin hole camera such that their images have the same length The ratio of the distances of object from the pin hole to that of the pencil is 1 3 2 2 1 2 3 5 2 4 1 4 000