A small air bubble is inside a glass cube of side length 20cm When looked from one face, it appears at a distance of 7.5cm and when seen from opposite face it appears at a distance of 5cm .The refractive index of the glass is

A small air bubble is trapped inside a transparent cube of size 12 cm . When viewed from one of the vertical faces, the bubble apears to be at 5 cm . From it. When viewed from opposite face, it appears at 3 cm from it.

Refractive index of the glass slab is 1.5. There is a point object O inside the slab as shown. To eye E_1 object appears at a distance of 6cm (From the top surface) and to eye E_2 it appears at a distance of 8cm (from the bottom surface). Find thickness of the glass slab.

A small air bubble is situated at a distance of 3 cm from the center of a glass sphere of radius 9 cm. When viewed from the nearest side, the bubble appears to be at a distance of 5 cm from the surface. Its apparent distance when viewed from the farthest side is nxx5 cm where n is?

An air bubble inside a glass slab (µ=1.5) appears 6 cm when viewed from one side and 4 cm when viewed from the opposite side. The thickness of the slab is

A small air bubble in a glass block when seen from above appears to be raised because of :

A transparent cube of side 210 mm contains a small air bubble. Its apparent distance, when viewed from one face of the cube is 100 mm , and when viewed through opposite face is 40 mm . What is the actual distance of the bubble from the second face and what is the refractive index of the material of the cube ?

An air bubble trapped inside a rectangular glass slab (cuboid) appear at 2 cm from one side and at 3 cm from the other opposite side. If the refractive index of glass is 1.5, what is the actual width of the glass slab?

A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm . Then the refractive index of the material of the cube is

A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm . Then the refractive index of the material of the cube is

Light propagates 2 cm distance in glass of refractive index 1.5 in time t_(0) . In the same time t_(0) , light propagates a distance of 2.25 cm in medium. The refractive index of the medium is