apparent depth and shift due to slab questions with solutions

Showing 1–10 of 92 questions

• MCQmediumGeometrical opticsapparent depth and shift due to slab

  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?

  Options

  • Option A

    21.00 cm

  • Option B

    7.00 cm

  • Option C

    28.00 cm

  • Option D

    37.33 cm

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  A mark lies immediately below a transparent liquid layer of thickness 46 cm and refractive index 1.500. It is viewed normally from air. What upward apparent shift is produced?

  Options

  • Option A

    15.33 cm

  • Option B

    30.67 cm

  • Option C

    46.00 cm

  • Option D

    69.00 cm

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  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?

  Options

  • Option A

    8.00 cm/s

  • Option B

    10.67 cm/s

  • Option C

    3.00 cm/s

  • Option D

    10.00 cm/s

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  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?

  Options

  • Option A

    3.25 cm

  • Option B

    2.44 cm

  • Option C

    4.06 cm

  • Option D

    -3.25 cm

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  A coin is fixed at the bottom of a vessel containing two immiscible transparent layers. The upper layer has thickness 14 cm and refractive index 1.333, while the lower layer has thickness 6 cm and refractive index 1.600. The coin is viewed normally from air. What is its apparent depth measured from the upper surface?

  Options

  • Option A

    14.25 cm

  • Option B

    10.69 cm

  • Option C

    17.81 cm

  • Option D

    -14.25 cm

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  A coin is fixed below a liquid layer of depth 12 cm and refractive index 1.333. It is viewed normally from air. What is its apparent depth below the upper surface?

  Options

  • Option A

    9.00 cm

  • Option B

    3.00 cm

  • Option C

    12.00 cm

  • Option D

    16.00 cm

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  A fish rises vertically at 6 cm/s in water of refractive index 4/3. A stationary observer in air views it normally. What apparent speed is observed?

  Options

  • Option A

    4.50 cm/s

  • Option B

    6.00 cm/s

  • Option C

    0.50 cm/s

  • Option D

    10.00 cm/s

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  A coin is below two plane-parallel liquid layers. The upper layer is 34 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?

  Options

  • Option A

    35.50 cm

  • Option B

    49.00 cm

  • Option C

    13.50 cm

  • Option D

    67.83 cm

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  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?

  Options

  • Option A

    9.50 cm/s

  • Option B

    12.67 cm/s

  • Option C

    0.50 cm/s

  • Option D

    11.00 cm/s

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• MCQmediumGeometrical opticsapparent depth and shift due to slab

  A bird in air descends vertically at 3 cm/s toward water of refractive index 4/3. A stationary fish observes it normally. What apparent speed does the fish measure?

  Options

  • Option A

    4.00 cm/s

  • Option B

    5.33 cm/s

  • Option C

    1.50 cm/s

  • Option D

    9.00 cm/s

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