Question

refractive index of a medium is 0.75. what is your opinion about the medium?​

Answer 1

Explanation:

1.very rare medium

2.light travels easly or fast through this medium

I hope it will be helpful

Answer 2

Explanation:

I let velocity of light in air be v

velocity of light in medium v/m

m

=n/

v

where n is reactive index of the medium

:.0.75v=n

v

=>n=3

4 to

given n

1 =1