Question

In an experiment Brahmanandam took 9 cm thickness of glass slab, he calculated the vertical shift as

1 cm. What is the refractive index of glass slab ?​

Answer 1

Answer:

1.12

Explanation:

Expression for shift is:

t(1-1/u)=s

Since shift is 1cm and t is 9cm, on putting the values

1-1/u=1/9

u=9/7=1.12

Hope this answer helped you out

Answer 2

Answer:

9/8

It is the correct answer for the above question

Hope it helps