[" 1.A glasssphere ( "1.5" with aradius of "15.0" cm has a tingle "5" cm above its centre.Thespere is "],[" viewed ober el bew along the sextended radius containing the bubble.What is the apparent depth of the "],[" buble below the surface of the sphere? "]

A glass sphere of (mu=1.5) with a radius of 15.0 cm has a tiny air bubble 5 cm above its centre. The sphere is viewed looking down along the extended radius containing the bubble. What is the apparent depth of the bubble below the surface of the sphere?

A glass sphere of (mu=1.5) with a radius of 15.0 cm has a tiny air bubble 5 cm above its centre. The sphere is viewed looking down along the extended radius containing the bubble. What is the apparent depth of the bubble below the surface of the sphere?

A glass sphere (mu=1.5) with a radius of 15.9 cm has a tiny air bubble 5 cm its centre.This sphere is viewed looking down along the extended radius containing the bubble.What is the apparent depth of the bubble below the sirface of the sphere ? 8.57 cm from top

A glass sphere (mu=1.5) of radius 20 cm has a small air bubble 4 cm below its centre. The sphere is viewed from outside and along a vertical line through the bubble. The apparent depth of the bubble below the surface of sphere is (in cm)

A glass sphere ( mu =1.5) of radius 20 cm has small air bubble 4 cm below its centre. The sphere is viewed from outside and along vertical line through the bubble. The apparent depth of the bubble below the surface of sphere is (in cm)