<Dl> <Dd> n 1 k 0 sin ⁡ θ 1 = n 2 k 0 sin ⁡ θ 2 (\ displaystyle n_ (1) k_ (0) \ sin \ theta _ (1) = n_ (2) k_ (0) \ sin \ theta _ (2) \,) </Dd> </Dl> <Dd> n 1 k 0 sin ⁡ θ 1 = n 2 k 0 sin ⁡ θ 2 (\ displaystyle n_ (1) k_ (0) \ sin \ theta _ (1) = n_ (2) k_ (0) \ sin \ theta _ (2) \,) </Dd> <Dl> <Dd> n 1 sin ⁡ θ 1 = n 2 sin ⁡ θ 2 (\ displaystyle n_ (1) \ sin \ theta _ (1) = n_ (2) \ sin \ theta _ (2) \,) </Dd> </Dl> <Dd> n 1 sin ⁡ θ 1 = n 2 sin ⁡ θ 2 (\ displaystyle n_ (1) \ sin \ theta _ (1) = n_ (2) \ sin \ theta _ (2) \,) </Dd>

Relationship between the angle of incidence and the angle of refraction