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What is a photographic print made by placing objects on light sensitive paper and exposing it to light?
A photogram
How were photograms invented?
A photogram is a photographic image made without a camera by placing objects directly onto the surface of a light-sensitive material such as photographic paper and then exposing it to light. In a darkroom, or a darkened room, objects are arranged on top a piece of photographic material, usually photographic paper. When the operator is satisfied with the arrangement, the photographic material is exposed with light, usually by switching on an enlarger or other artificial light source. The material is then processed, washed and dried. The usual result is a negative shadow image that shows variations in tone that depends upon the transparency of the objects used. Areas of the paper that have received no light appear white; those exposed through transparent or semi-transparent objects appear grey.
Different colors are the result of?
Every object in the universe has a unique way of absorbing energy. Therefore they reflect various rays of wavelengths. Hence, the different colours is the result of the light waves with different wavelengths.
Why does a mirror and a leaf reflect light differently?
Light is reflected of metal when it is polished and flat because it is very light and lighter colors reflect light whereas darker colors such as green suck the colors in.
If a glass prism were placed in a medium such as water would it separate light into different colors?
Yes it would because if the glass was clear the prism would reflect off of the light and go right through the glass.
What is a photographic print made by placing objects on light sensitive paper and exposing it to light?
A photogram
What type of image is produced by a photogram?
A photogram is a photographic image made without a camera by placing objects directly onto the surface of a photo-sensitive material such as photographic paper and then exposing it to light.
How does one produce a photogram?
One can produce a photogram by making a print in a photo lab without using a camera. To do this, one places objects onto a piece of light, sensitive paper in a darkroom. Then, one can use an enlarger to cast light onto the paper to capture the silhouettes of the objects placed.
What gives things their color?
Objects get their color from the way they absorb and reflect light. Different materials absorb and reflect different wavelengths of light, which our eyes perceive as color.
Which word tells light-colored objects do to heat and light?
Reflect. Light-colored objects reflect heat and light, while dark-colored objects absorb heat and light.
What are objects that reflect scatter or transmit light said to be?
Objects that reflect light are said to be "reflective", objects that scatter light are said to be "diffusive", and objects that transmit light are said to be "transparent" or "translucent".
What two terms describe objects from which light is provided?
Luminous objects are sources that emit light, while illuminated objects are those that reflect or scatter light from a different source.
What color does blue appear in blue light?
Blue light does not change the color of other blue objects, so they will still appear blue under blue light. This is because objects reflect or absorb different wavelengths of light, and blue objects reflect blue light regardless of the light source.
Do only shiny objects reflect light?
No, all objects reflect light to some degree, both shiny and non-shiny. Shiny objects tend to reflect more light due to their smooth and polished surfaces, while non-shiny objects may reflect less light and appear duller because of their rough or textured surfaces.
Could dark objects reflect light?
Yes. There is hardly anything that reflects NO light; dark objects simply reflect less light than light objects.
Why do colours of objects look different in the night?
there is no light to reflect off the object that you want to see
How and why do objects appear different in coloured light?
Objects appear different in colored light because they selectively reflect or absorb certain wavelengths of light based on their color. When an object is illuminated with colored light, the wavelengths of light that match its color will be reflected, making the object appear more vibrant in that specific color. Objects of different colors will absorb or reflect light differently, leading to variations in their appearance under colored light.
