If an object emits or reflects light, a. it must be the color white. b. it cannot be a gas. c. it has a smooth surface. d. it can be seen by the eye.

The object when emits or reflects the light, it is seen by the eye.

Option D

Explanation:

The reflection of light is the only image that our eyes perceive and the brain recognizes it as the visual of the object. The incident ray from the light source falls on the object and that is reflected to the lens of our eye which creates an image in the eye.

The object either emits the rays or even reflect the light rays, which strikes the lens of our eye, making the object seen.

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