Question

After tracing the path of ray of light from a rectangular glass slab the values of r and i are as follows

Answer 1

after tracing the path of a ray of light passing through a rectangular glass slab for 4 different values of the angle of incidence , a student reported his observations.

 

S. no.      angle i     angle  r     angle e

 

1              30*          19*            29*

2              40*          28*            40*

3              50*          36*            50*

4              60*          40*            59*