Jee Advanced
Geometrical Optics
IIT-JEE 2010 Paper 2 Offline
INTEGER+3 / -02010
A large glass slab (\(\mu\) = 5/3) of thickness 8 cm is placed over a point source of light on a plane surface. It is seen that light emerges out of the top surface of the slab from a circular area of radius R cm. What is the value of R?