41
Rationalised 2023-24
Ray Optics and
Optical Instruments
231
Shine the beam from below the beaker such that it strikes at the
upper water surface at the other end Do you find that it undergoes partial
reflection (which is seen as a spot on the table below) and partial refraction
[which comes out in the air and is seen as a spot on the roof; Fig 9 12(a)]