The visual phenomenon known as refraction alters the appearance of objects as they are seen through water. All objects

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The visual phenomenon known as refraction alters the appearance of objects as they are seen through water. All objects look larger than they actually are, but darker objects appear much more magnified than lighter objects. Hence, a darkly colored pebble on the floor of a swimming pool looks much larger than a white pebble, as long as the two are placed an equal distance from the eye of the viewer.

The conclusion above would be more properly drawn if it were made clear that the

A. darkly colored pebble is assumed to be greater in size than the white pebble

B. darkly colored pebble is assumed to be the same size as the white pebble

C. darkly colored pebble is assumed to be smaller in size than the white pebble

D. pool floor is light in color

E. pool floor is dark in color


OA B

Source: Princeton Review