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Can we prove that we all see the same colors?
In fact, new research makes some scientists believe that people may not always see the same colors when they look at the same things. In bright light, cones help people see color. Wavelengths of light bouncing off an object activate the cones. Those cells then send signals to the brain.
What color of light is reflecting or bouncing off the book?
Most of the greens and blues that are part of white light are absorbed by the ball so we cannot see them. Likewise, a blue book is reflecting the blue part of the white light spectrum. The red and green parts are absorbed by the book. What happens when red light shines on a red ball?
What happens when light waves bounce off an object?
Reflection. Reflection is when incident light (incoming light) hits an object and bounces off. Very smooth surfaces such as mirrors reflect almost all incident light. The color of an object is actually the wavelengths of the light reflected while all other wavelengths are absorbed.
What determines the color of light we see?
The colour of visible light depends on its wavelength. These wavelengths range from 700 nm at the red end of the spectrum to 400 nm at the violet end. Visible light waves are the only electromagnetic waves we can see. We see these waves as the colours of the rainbow.
Why do objects appear different colours?
Objects appear different colours because they absorb some colours (wavelengths) and reflected or transmit other colours. The colours we see are the wavelengths that are reflected or transmitted. For example, a red shirt looks red because the dye molecules in the fabric have absorbed the wavelengths of light from the violet/blue end of the spectrum.
Why does an object appear black when the lights are off?
When the room lights are turned off (there is no light), any object present in the room appears black. The color appearance of an object depends upon the light which that objects reflects to the observer’s eye. Without any incident light, there can be no reflected light. Such an object appears black – the absence of light.
What are the colours we see in nature?
The colours we see are the wavelengths that are reflected or transmitted. For example, a red shirt looks red because the dye molecules in the fabric have absorbed the wavelengths of light from the violet/blue end of the spectrum. Red light is the only light that is reflected from the shirt.
How is the perception of color described?
The perception of ALL color is describable as the strength of the three signals coming from the three kinds of cone cells. The only frequencies of light we can ever see lie within the range of the cone cells.