Real and Apparent Depth

Is the formula "Real depth/Apparent depth = mu." valid if viewed from a position quite away from the normal ?

Two immiscible liquids of refractive index sqrt 2 and 2sqrt2 are filled with equal height h in a vessel. Then apparent depth of bottom surface of the container given that outside medium is air

Circle OF Illumination||Apparent Depth

Laws Of Refraction|Questions|Apparent Depth

Concept related to Apparant depth & Glass slab

A pond of depth 20 cm is filled with water of refractive index 4//3 . Calculate apparent depth of the tank when viewed normally.

See Fig. and answer the following question. a. Find apparent height of the bird. b. Find apparent depth of the fish. c. At what distance will the bird appear to the fish ? d. At what distance will the fish appear to the bird?

A pond of depth 20 cm is half filled with an oil of mu = 1.4 and the other half is filled with water of refractive index 1.33 . Calculate apparent depth of the tank when viewed normally.

A pond of depth 20 cm is half filled with an oil of mu = 1.4 and the other half is filled with water of refractive index 1.33 . Calculate apparent depth of the tank when viewed normally.

Each quarter of a vessel of depth H is filled with liquids of the refractive indices n_(1),n_(2), n_(3) and n_(4) from the bottom respectively. The apparent depth of the vessel when looked normally is