A yellow filter would absorb blue light, making a blue object appear black in a black-and-white photograph.
You could use a yellow filter to absorb blue light, making the blue object appear black since no blue light would reflect off of it.
It's called "A Blue Object" because when light of many colors falls on it, it reflects the blue light toward your eyes and absorbs all the other colors, including yellow. So if yellow light is the only light falling on it, the light is all absorbed, none is reflected to your eyes, and the object appears black.
purple!!
The complementary color of blue is yellow.
Black
In blue light, a yellow object would appear dark or black because yellow absorbs blue light and reflects other colors. This means that the object wouldn't reflect any of the blue light, making it appear dark.
The blue object would appear green because blue and yellow light combine to create green light. Yellow light contains a mix of green and red wavelengths, which when combined with the blue object's blue color, result in the appearance of green.
A yellow filter would absorb blue light, making a blue object appear black in a black-and-white photograph.
It's called "A Blue Object" because when light of many colors falls on it, it reflects the blue light toward your eyes and absorbs all the other colors, including yellow. So if yellow light is the only light falling on it, the light is all absorbed, none is reflected to your eyes, and the object appears black.
You could use a yellow filter to absorb blue light, making the blue object appear black since no blue light would reflect off of it.
blue
Blue what ? ! ? Do you mean an object that appears blue in white light ? Such an object appears black in green light.
It's called "A Blue Object" because when light of many colors falls on it, it reflects the blue light toward your eyes and absorbs all the other colors, including yellow. So if yellow light is the only light falling on it, the light is all absorbed, none is reflected to your eyes, and the object appears black.
Light blue and yellow
The object would appear black because it would not reflect any of the blue light shining on it, and blue light alone cannot activate any yellow pigments to reflect back a different color.
blue