\(c=45^{\circ}\)
\(\sin c=\mu \sin \theta\)
\(\frac{1}{\sqrt{2}}=\sqrt{2} \sin \theta\)
\(\theta=30^{\circ}\)
Lateral displacement:
\(x=t \sin (i-r) \sec r\)
\(x=\sqrt{3} \sin \left(45^{\circ}-30^{\circ}\right) \sec 30^{\circ}\)
\(x=\sqrt{3}(0.26)\left(\frac{2}{\sqrt{3}}\right)\)
\(X=0.52\,cm\)
\(x=52 \times 10^{-2}\,cm\)