A PHOTOGRAPH

Poster :·wall:: Photograph: __?_

Pointing to the photograph of a lady. A man said,''She is my son's mother's husband's mother. '' How is the man related to the lady in the photograph ?

The human eye is very similar to a photographic camera. The figure given shows the main parts of a photographic camera , Now answer the question. Name the parts of the human eye similar to the followign parts of the photographic camera: (a) Photographic film (b) Aperture.