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image (physics)

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Image (physics)


Picture or appearance of a real object, formed by light that passes through a lens or is reflected from a mirror. If rays of light actually pass through an image, it is called a real image. Real images, such as those produced by a camera or projector lens, can be projected onto a screen. An image that cannot be projected onto a screen, such as that seen in a flat mirror, is known as a virtual image.

In a pinhole camera, rays of light travelling from the object through the pinhole of the camera form a real image on the screen of the camera. The image is upside down, or inverted.

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colour (physics)
concave lens
concave mirror
convex lens
convex mirror
diffraction
dispersion (physics)
eclipse
eye
filter (optics)
hypermetropia
image (physics)
lateral inversion
light
long-sightedness
myopia
penumbra
prism (optics)
real image
reflection (physics)
refraction
shadow
short-sightedness
spectrum
speed of light
umbra
virtual image
vision
white light

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Denmark Flag
Denmark Flag Nordic flags bearing the Scandinavian cross are based on the Danish flag, known as the Dannebrog, ‘Danish cloth’. Effective date: 1 May 1893. >>

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