Question:
5 A circular beam of light having a diameter 4 cr falls on a
Last updated: 6/14/2023
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5 A circular beam of light having a diameter 4 cr falls on a plane glass slab at angle of incidenc 60 If refractive index of the material of slab 3 then diameter of the refracted beam is 2 1 10 3 8 23 2 3 cm cm 2 2 cm 4 4 312 cm