JEE (Based on NTA Guidelines-IIT Engg.) Mains Physics Ray Optics-The Eye Study Material (Page 1 of 6)

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Defect of Eyes

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Myopia:

Definition: The defect of an eye in which it cannot see the distant objects clearly is called myopia.

A person with myopia cannot see faraway clearly. A person can see nearby object clearly. The image of an object at distant is not formed on the retina. A person cannot…

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Lens-Camera

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The Camera

The camera is fundamentally made up of,

  • A convex lens that provides the camera with an image from outside the camera.
  • An aperture which control the light passing through lens to the film.
  • The film is used to create and stored the image for future use.
  • A shutter is used to controls the amount of time that the image is exposed to the film.

There is a convex lens whose aperture and distance from the film can be adjusted. Object is real and placed between . So the image is inverted, diminished and real between .

For camera,

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