Red+Blue=Purple
The object will appear to be blue. However, the object would be indistinguishable from an object that reflects all colors of light. If yellow light were shone on an object that reflects only blue wavelengths, the object would appear to be black.
green
will appear black
All other colours are absorbed by the blue object only letting the blue light be reflected or through
Everything obsorbs or bounces light off of itself. There are also many wavelengths and different types of light around us. This blue object obsorbs each and every color except the blue you are seeing. The blue light reflects off of the object, thus making it appear blue to your eyes.
Purple will the object be
Each object contains a certain chemical, each chemical is different, depending on the object. An object that cannot absorb the colour blue, will appear blue to our eyes.
On stage in a theatre red light shines and clothes appear red, blue light is shone an clothes appear blue, what colour are they?
green
Black, because the blue light would be absorbed into the object's pigment and as there is no green light to reflect, the object would appear black.
Assuming that the light you are shining on the object is white, then the object is also blue. Objects appear a certain color because they reflect that color to our eyes and the rest of the colors in the light are absorbed by the object.
Black I think