A light ray is incident on a glass slab of thickness 4 √3 cm and refractive index √2 The angle of

A light ray is incident on a glass slab of thickness 4 √3 cm and refractive index √2. The angle of incidence is equal to the critical angle for the glass slab with air. The lateral displacement of ray after passing through glass slab is ____cm.

(Given sin 15° = 0.25)              (JEE-2024)