Question

Write the construction and working of a camera.

Answer 1

Ans. CAMERA
A simple camera consists of a light-proof box with a converging lens in front and a light sensitive plate or film at the back. The lens focuses images to be photographed onto the film. In simple lens camera, the distance between lens and film is fixed which is equal to the focal length of the lens. In camera, object is placed beyond 2F. A real, inverted and diminished image is formed in this way as shown below:

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