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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
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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Green expresses hope. White symbolizes peace. It is said that the saltire may have been based on the former flag of Belgian airline, Sabena. Red represents the blood shed in the struggle for independence. Effective date: 27 September 1982.
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