While doing the experiment to trace the path of light ray through a triangular glass prism, the, students are advised to take angle of incidence not less than 30 degree, because : (a) it becomes difficult to locate the position of object (pins). (b) three images of object are formed. (c) blurred image of object is formed. (d) image of object is not formed.

While doing the experiment to trace the path of light ray through a tr

1.	While doing the experiment to trace the path of light ray through a triangular glass prism, the, students are advised to take angle of incidence not less than 30 degree, because : (a) it becomes difficult to locate the position of object (pins). (b) three images of object are formed. (c) blurred image of object is formed. (d) image of object is not formed.
Answer» While doing the experiment to trace the path of light ray through a triangular glass prism, the, students are advised to take angle of incidence not less than 30 degree, because : (a) it becomes difficult to locate the position of object (pins). (b) three images of object are formed. (c) blurred image of object is formed. (d) image of object is not formed.