Because it absorbs all visible light. Visible white light can be divided into 7 colours (the rainbow). Every object appears as the colour they are because they reflect that colour from the rainbow spectrum or a mixture of them and then absorb the rest of the light rays. Black things do not reflect any light and so appear black. This is also why black this tend to become warm or hot when it is sunny. They transfer all the light energy they absorb into thermal energy.
Because it absorbs all visible light
Because they absorb all colors.
black object completely absorbe the incident energy and does not reflect any light because if energy incident on any other thing it reflect some portion in atmosphere that is why we can see the thing that it is in which colour but if energy absorbes by any object here total absorption no reflection
To do this, it would have to be black, which is the lack of color.
Your category is the answer, that thing is black hole
For most purposes, no, black holes themselves are not visible. Black holes absorb everything near them, including light. Light needs to originate from an object or strike an object and reflect from it and to your eyes in order for you to see it. Light that enters a black hole can never leave. Since black holes do not emit light or any form of electromagnetic radiation, it is impossible for astronomers to observe them directly. However, matter falling into a black hole can become superheated and emit light and x-rays before falling past the point from which nothing can return. We can detect this radiation. Theoretically, you could also see the event horizon of a black hole if you got close enough; it would appear as a completely black sphere against a background of stars. The light from stars behind the black hole would be highly distorted, as can be seen in the image above.
Plants appear green in sunlight because they contain chlorophyll, a pigment that reflects green light. Under red light, plants appear black because chlorophyll absorbs red light for photosynthesis and does not reflect any light back to our eyes. This difference in absorption and reflection properties causes the color variation in different light conditions.
Red. The colour of an object is determined by the wavelengths of light it reflects and absorbs, and a white object is one that reflects light across the visible spectrum. If only red light shines on it, it will reflect that light. In contrast, a black object appears black because it doesn't reflect any visible wavelengths, so would still appear black. Any object that doesn't reflect the wavelength of light you're using (eg blue objects) would also appear black because it isn't reflecting any light.
If an object absorbs all the colors of light, it will appear to be black. It is the reflected part of the spectrum that gives an object its color.
The green object will appear black because it will not reflect any of the blue light shone on it. Green objects primarily absorb blue light, so without any green or red light present, the object will appear dark.
If an object absorbs all colors of light and reflects none, it will appear black under white light. This is because black is the absence of any reflected light.
It would appear black because the object would not reflect any of the colors of light back.
The red object would appear black because it would not reflect any of the green light shining on it. Green light is the complementary color of red, meaning the object would absorb all the green light and not reflect any color back to our eyes.
The yellow object will appear dark because it reflects yellow light, which is a combination of red and green light. Since only red light is being shone on it, the object will not reflect any light and will appear black.
it appears black
An object that absorbs all colors in the light spectrum will appear black, as it is not reflecting any light back to our eyes.
A true black will not reflect any light of any colour.
Any black thing, including soya sauce, will appear black because it absorbs most of the light that falls on it. So why do "black things" absorb light? Because their surface or their interior is unable to reflect light. (In other words, "because it does". Why do metals appear shiny and metallic? Because they do!) Black things will normally appear black in other light; but other colours may appear black in other lights. For instance, a blue object may appear black in orange light, because orange light has little blue within it for the "blue" object to reflect.
An object would appear black if:it did not emit any visible radiation.it was in an environment where there was no ambient visible radiation present.the compounds on its surface absorbed all radiation comprising the visible spectrum.