Find lateral shift of light ray while is passes through a parallel glass slab of thickness 10 cm placed in air.The angle of incidence in air is $60^{\circ}$ and angle of refraction in glass is $45^{\circ}$

Question

$(a)\;5 \sqrt 5 \\ (b)\;10 \sqrt 5 \\ (c)\;5 \sqrt 5 \sin 15^{\circ} \\ (d)\;10 \sqrt 2 \sin 15^{\circ} $