A small object is encased in an acrylic block (n = 1.5). The object appears to be 4.0 cm below the surface. What is the actual distance of the object below the surface?
A) 2.0 cm
B) 2.7 cm
C) 4.0 cm
D) 5.5 cm
E) 6.0 cm

Question

Quizplus · Accepted Answer

The apparent depth is given by the formula: apparent depth = actual depth / refractive index. Solving for actual depth gives: actual depth = apparent depth * refractive index = 4.0 cm * 1.5 = 6.0 cm.

A Small Object Is Encased in an Acrylic Block (N