A blue light is shined on objects X and Y. Object X appears to be blue, and object Y appears to be black. Which of the following is correct?

A.
Object X absorbs blue light, and object Y reflects blue light.

B.
Object X reflects blue light, and object Y absorbs blue light.

C.
Object X must be black, and object Y must be blue.

D.
Object X must be blue, and object Y must be black.

1 answer

The correct answer is:

B. Object X reflects blue light, and object Y absorbs blue light.

When blue light is shined on object X and it appears blue, this means that object X is reflecting blue light. Object Y, which appears black under blue light, absorbs the blue light and reflects none, resulting in no visible color.