Physics 2010 JAMB Past Questions - Question 28: In comparing the camera and the human eye, the film of the camera functions as the

Correct Answer

D

Explanation

In a traditional film camera, the film functions as the analog to the human eye's retina. The film is a light-sensitive medium that captures and records the image projected through the camera's lens. When light enters the camera, it passes through the lens and onto the film, where it exposes the film's photosensitive emulsion. This exposure results in chemical changes in the emulsion, creating a latent image. This latent image can then be developed and fixed to produce a visible photograph, much like how the human eye's retina captures light and converts it into signals that are processed by the brain to form an image.

In more modern digital cameras, the film is replaced by an image sensor, such as a CCD or CMOS sensor, which captures light and converts it into digital information. The sensor in a digital camera serves a similar purpose to the film in a traditional camera, as it is the component that records the incoming light to create a digital image.