To determine refractive index of glass slab using a travelling microscope, minimum number of readings required are :

Question

To determine refractive index of glass slab using a travelling microscope, minimum number of readings required are : (A) Two (B) Three (C) Four (D) Five

Tardigrade Admin · Accepted Answer

Reading one ⇒ without slab Reading two ⇒ with slab Reading three ⇒ with sawdust

Q. To determine refractive index of glass slab using a travelling microscope, minimum number of readings required are :

Two

Three

Four

Five

Reading one $\Rightarrow$ without slab
Reading two $\Rightarrow$ with slab
Reading three $\Rightarrow$ with sawdust