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A rectangular tank 8m deep is full of wa...

A rectangular tank 8m deep is full of water. By how much does the bottom appear to be raised if the refractive index of water is `4//3`?

Text Solution

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The correct Answer is:
2m
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Knowledge Check

  • A rectangular tank of depth 8 m is full of water (mu=4//3) . The bottom is seen at the depth

    A
    6 cm
    B
    `(8)/(3)` cm
    C
    8 cm
    D
    10 cm

  • What is the real depth of a swimming pool when its bottom appears to be raised by 1 m ? Given refractive index of water is 4//3 .

    A
    `2m`
    B
    `16m`
    C
    `4m`
    D
    `8m`

  • Brewster angle for air to water transition is (refractive index of water is 4/3 )

    A
    `sin^-1 3/4`
    B
    `cos^-1 3/4`
    C
    `tan^-1 3/5`
    D
    `cot^-1 3/4`

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    A small piece of wood is floating on the surface of a 2.5 m deep lake. Where does the shadow form on the bottom when the sun is just setting? Refractive index of water = 4/3

    The inner bottom of a tub filled with water is stained with a mark. The water is filled to a height of 7 cm. Calculate the distance by which the stain appears to be raised. Refractive index of water is 1.33.

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