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Red or blue. The reason a red filter looks and is red, is because only red light comes through it, and the same can be said about a blue filter allowing only blue light through. Other colors are absorbed by the dyes in the filter. If white light enters a red filter, then red light comes out, and the same goes for blue.
What else can I help you with?
What color would white light appear viewed through filter?
It depends on what kind of filter, e.g. a blue filter absorbs everything except blue light, so only blue light comes out, which is why the filter looks blue, and is referred to as a "blue filter".
What color would a blue object appear through a green filter?
A blue object would appear darker when viewed through a green filter because the green filter would absorb some of the blue light that the object reflects, resulting in a more subdued color.
How would a blue shirt appear if a blue filter were placed in front of it?
The blue shirt would appear darker and more saturated when viewed through a blue filter. This is because the filter would allow blue light to pass through while blocking other colors, enhancing the blue color of the shirt.
What would a green object look like through a blue filter and why?
A green object viewed through a blue filter would appear darker or black because the blue filter would absorb most of the green light, allowing very little to pass through. This lack of green light reaching our eyes makes the object appear darker and alters its color.
What color will the shirt appear to be but white shirt is viewed through a filter that allows only blue light to pass through the filter?
Since the filter allows only blue light to pass through, anything you see through the filter appears either blue or black. Blue if there's any blue light coming from it, or black if there isn't any.
What color would white light appear viewed through filter?
It depends on what kind of filter, e.g. a blue filter absorbs everything except blue light, so only blue light comes out, which is why the filter looks blue, and is referred to as a "blue filter".
What color would a blue object appear through a green filter?
A blue object would appear darker when viewed through a green filter because the green filter would absorb some of the blue light that the object reflects, resulting in a more subdued color.
What happens when a yellow book in a green filter?
When a yellow book is viewed through a green filter, the filter will absorb most of the yellow light but allow green light to pass through. As a result, the book may appear darker and its yellow color may become less vibrant when viewed through the green filter.
What color will the green apple appear to be when viewed through a red filter?
Black, or nearly so. The apple reflects only green light, the red filter only lets red light through, so nothing reaches the eye.
How would a blue shirt appear if a blue filter were placed in front of it?
The blue shirt would appear darker and more saturated when viewed through a blue filter. This is because the filter would allow blue light to pass through while blocking other colors, enhancing the blue color of the shirt.
What would a green object look like through a blue filter and why?
A green object viewed through a blue filter would appear darker or black because the blue filter would absorb most of the green light, allowing very little to pass through. This lack of green light reaching our eyes makes the object appear darker and alters its color.
What color would a blue object appear through a blue filter?
green
When light given off by a simple burning substance is viewed through a spectroscope it would appear what color?
A spectroscope is a device for producing and recording spectra for examination. When light given off by a simple burning substance is viewed through a spectroscope, a certain color will appear.
What color will a green apple appear to be when viwed through a red filter?
red apples
What color will the shirt appear to be but white shirt is viewed through a filter that allows only blue light to pass through the filter?
Since the filter allows only blue light to pass through, anything you see through the filter appears either blue or black. Blue if there's any blue light coming from it, or black if there isn't any.
Why a green object appears black when viewed through a red filter?
A green object appears black when viewed through a red filter (here a red filter means red light) because green object can only reflect green color and absorb all the other colors so in the red light it will definitely appear black.
What color will a red object look through a green filter?
It will look black, or green, depending on the hue of the red. A green filter blocks the red light but no red object is reflecting solely in the red wavelengths, and any non-red light will appear green through the filter.
