dawitdesalegn03 dawitdesalegn03 23-06-2024 Physics Answered Index of refraction of a medium is 5/3 the critical angle of medium is ---- use sin 37 ⁰=cos 53⁰=0.6,sin 53⁰=0.8 A 30 ⁰ B 45⁰ C 37⁰ D 53⁰ E 60⁰