Refraction At Spherical Surfaces Video Lessons

Concept

# Problem: A thin hemispherical bowl of clear plastic floats on water in a tank. The radius of the bowl is 50 cm and the depth of the bowl in water is 10 cm. The depth of the water (n = 1.33) in the tank is 740 cm. An object 8.0 cm long is on the bottom of the tank directly below the bowl. The object is viewed from directly above the bowl. Ignore the refractive effects of the plastic. In the figure below, the position of the image below the water level, in cm, is closest to:  A) 210 B) 220 C) 130 D) 120 E) 160

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###### Problem Details

A thin hemispherical bowl of clear plastic floats on water in a tank. The radius of the bowl is 50 cm and the depth of the bowl in water is 10 cm. The depth of the water (n = 1.33) in the tank is 740 cm. An object 8.0 cm long is on the bottom of the tank directly below the bowl. The object is viewed from directly above the bowl. Ignore the refractive effects of the plastic. In the figure below, the position of the image below the water level, in cm, is closest to:

A) 210

B) 220

C) 130

D) 120

E) 160