Question

Select One Correct Option from the following: A ray of light is incident at the glass-water surface at an angle i. It emerges finally parallel to the surface of water, then the value of glass refractive index $\mu_{g}$ would be
(A) $\frac{4}{3} \sin i$
(B) $\frac{1}{\sin i}$
(C) 4/3
(D) 1.

Answer 1

d option is correct I think.
mark brainliest if you like

Answer 2

Select One Correct Option from the following: A ray of light is incident at the glass-water surface at an angle i. It emerges finally parallel to the surface of water, then the value of glass refractive index $\mu_{g}$ would be

(A) $\frac{4}{3} \sin i$

(B) $\frac{1}{\sin i}$

(C) 4/3

✴️ (D) 1.