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apparent depth and shift due to slab questions with solutions
Practice Geometrical optics for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–10 of 92 questions
- MCQmediumGeometrical optics
A coin is fixed below a liquid layer of depth 40 cm and refractive index 1.600. It is viewed normally from air. What is its apparent depth below the upper surface?
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A coin is fixed below a liquid layer of depth 28 cm and refractive index 1.333. It is viewed normally from air. What is its apparent depth below the upper surface?
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A fish rises vertically at 5 cm/s in water of refractive index 4/3. A stationary observer in air views it normally. What apparent speed is observed?
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A fish in water (μ=4/3) rises at 4 cm/s while a bird in air descends at 5 cm/s. The interface is stationary. At what rate does the apparent separation decrease as measured by the bird?
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A bird in air descends vertically at 6 cm/s toward water of refractive index 4/3. A stationary fish observes it normally. What apparent speed does the fish measure?
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A fish in water (μ=4/3) rises at 6 cm/s while a bird in air descends at 5 cm/s. The interface is stationary. At what rate does the apparent separation decrease as measured by the bird?
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A mark lies immediately below a transparent liquid layer of thickness 50 cm and refractive index 1.250. It is viewed normally from air. What upward apparent shift is produced?
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A ray in air is incident at 60° on a plane-parallel glass slab of thickness 5 cm and refractive index 1.732. Calculate the lateral displacement of the emergent ray.
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A coin is below two plane-parallel liquid layers. The upper layer is 14 cm thick with refractive index 4/3 and the lower layer is 15 cm thick with refractive index 3/2. When viewed normally from air, what is the apparent depth from the upper surface?
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A printed mark is covered by a plane-parallel transparent slab of thickness 13 cm and refractive index 1.333. An observer in air views the mark normally through the slab. What upward apparent shift of the mark is produced?
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