The Image of an Object Beneath the Surface of a Medium

question 15

Multiple Choice

The image of an object beneath the surface of a medium of refractive index n > 1 is seen in air by a person looking down on the surface. This image, formed by light rays leaving the flat refractive surface, is

• A) real and closer to the viewer than the object.
• B) virtual and closer to the viewer than the object.
• C) real and farther from the viewer than the object.
• D) virtual and farther from the viewer than the object.
• E) virtual and the same distance from the viewer as the object.

---

Definitions:

Inflammation

A biological response to harmful stimuli, marked by redness, swelling, pain, and sometimes loss of function.

Cytotoxic T Cells

A type of white blood cell that kills cancer cells, cells that are infected (particularly with viruses), or cells that are damaged in other ways.

Thoracic Duct

The largest lymphatic vessel in the body, responsible for transporting lymph and chyle from the lymphatic system into the bloodstream.

Subclavian Vein

A large vein in the upper chest, under the collarbone, that receives blood from the arm and parts of the neck and chest.