My book says, when there is a silvered lens, we are supposed to consider it as a lens and a mirror seperately and consider 4 refractions and 1 reflection. I am unable to verify this from any standard textbook. Any source you'll suggest?
A thin hollow glass sphere has a radius of 1 m. A coin is placed at the bottom of the glass sphere. 2.09 metre cube of a liquid of refractive index 1.5 is poured into the glass shpere. A person is viewing the object vertically. What is the apparent depth of the coin?
Im not sure...