Q: 37 (NDA-II/2011)

A one-rupee coin is placed at the bottom of a vessel. Water is then poured into the vessel such that the depth of water becomes 20 cm. If water has refractive index 4/3, the coin would be seen at a depth of
question_subject: 
Maths
stats: 
0,64,72,24,32,64,16