Question

give an example of relative reference absolute and mixed reference​

Answer 1

Answer:

Hope it helps you:-

Explanation:

relative reference-A1, B1

absolute reference-$A1, B1$

mixed reference-A1$B1, A2$B2

Answer 2

Answer:

hey mate!!

eg of relative refractive index=glass slab, when we hold a pencil in a glass of water

we will observe that the pencil is bent