A small bead moves vertically upward with constant speed 4 cm s⁻¹ in a liquid of refractive index 1.333. A stationary observer in air views it normally through the horizontal liquid surface. What is the instantaneous apparent upward speed of the bead?
Physics · Geometrical optics · apparent depth and shift due to slab
A small bead moves vertically upward with constant speed 4 cm s⁻¹ in a liquid of refractive index 1.333. A stationary observer in air views it normally through the horizontal liquid surface. What is the instantaneous apparent upward speed of the bead?
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