The apparent depth of a mark on the bottom of a glass vessel is measured to be when…

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

The apparent depth of a mark on the bottom of a glass vessel is measured to be

15\,\text{cm}

when viewed normally from air. If the glass contains a liquid of refractive index

1.50

, determine the true depth of the mark.