Question

A tank containing a slab of glass 10cm thick of n=1.6 above this is a depth of 5cm of liquid of n=1.5 and upon this floats 5cm of water of n=4÷3. To an observer looking down form above what is the apparent position of the object at the bottom of the tank

Answer 1

Answer:

A tank containing a slab of glass 10cm thick of n=1.6 above this is a depth of 5cm of liquid of n=1.5 and upon this floats 5cm of water of n=4÷3. To an observer looking down form above what is the apparent position of the object at the bottom of the tank