Formulae

PHY1002 §

Constants §

Speed of light: $c\approx 3.00\times 10^8$ ms${}^{-1}$

Formulae §

Law of Refraction: $n_1\sin ({\theta }_1)=n_2\sin ({\theta }_2)$ Law of Reflection: ${\theta }_1={\theta }_2$ Critical angle: $\sin ({\theta }_c)=\frac{n_2}{n_1}$ (for $n_1>n_2$)

Mirrors and lenses (useful equations etc.)