Question

The refractive index of water is 4 /3 and glass is 3 /2 then n21 is ​
8/9
1/2
2
9/8

Answer 1

Answer:

Refractive index of water n

w

=

3

4

Refractive index of gas n

g

=

2

3

Refractive index of glass w.r.t. water n

gw

=

n w

ng

⟹ n

gg

=

4/3

3/2

=

8

9

Explanation:

Mark me and follow me

Answer 2

Answer:

Refractive index of water n

w

=

3

4

Refractive index of gas n

g

=

2

3

Refractive index of glass w.r.t. water n

gw

=

n

w

n

g

⟹ n

gg

=

4/3

3/2

=

8

9

Explanation:

Mark me and follow me.