Question

While performing the experiment to trace the path of ray through a glass slab the teacher instructedher students to ensure that during the experiment glass slab, may not get displaced from its boundary. this instruction was given because if slab gets dis laced from its boundary then
1. the angle of incident ray will change
2. the diagram will not look nice
3.the refracted ray will not be traceable.
4.the emergent ray will not be seen​
answer with explanation

Answer 1

Answer:

this instruction was given because if slab gets dis laced from its boundary then. 1. the angle of incident ray will change. ... the refracted ray will not be traceable.