A point object is embedded in a glass slab of refractive μ = 1.5 . The point object is viewed normally through six faces of slab. Through five faces the object appears at 2 cm from the surface while f

Question

A point object is embedded in a glass slab of refractive μ = 1.5 . The point object is viewed normally through six faces of slab. Through five faces the object appears at 2 cm from the surface while for sixth face it appears at 4 cm from the surface. The volume of the slab is :

TestHub · Accepted Answer

Let the real depths be x and y . Then x = 1.5 × 2 = 3 cm and y = 1.5 × 4 = 6 cm. The sides of the slab are 2 cm, 3 cm and 6 cm. Volume = 18 × 3 × 6 = 324 cm 3 . Final Answer: The final answer is 324 ​

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