1.

The huaman eye is very similar to a photographic camera. The figure given shows the main parts of a photographic camera. Now answer the following question : A rarr Aperture, B rarr Lens, C rarr photographic film. b. Sate one difference between human eye lens and camera lens.

Answer»

Solution :In a PHOTOGRAPHIC CAMERA, the focal length of the lens is fixed and the DISTANCE of the IMAGE from the lens changes when the position of the lens is CHANGED. Whereas, in the human eye, the focal length of the eye lens is changed by the ciliary muscles and the distance of the image from the eye lens the is fixed.


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