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Aadish Ramroop
Asked: 2022-11-02T01:35:23+05:30 In:

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A real image of an object is formed by a conex lens at the bottom of an empty beaker. The beaker is now filled with a liquid of refractive index 1.4 to a depth of 7 cm. In order to get the image again at the bottom the beaker shoud be moved
A. downward by 2 cm
B. upward by 2 cm
C. downward by 3 cm
D. upward by 3 cm

image
A real image of an object is formed by a conex lens at the bottom of an empty beaker. The beaker is now filled with a liquid of refractive index 1.4 to a depth of 7 cm. In order to get the image again at the bottom the beaker shoud be moved
A. downward by 2 cm
B. upward by 2 cm
C. downward by 3 cm
D. upward by 3 cm
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1 Answer

  1. Correct Answer – A
    Shift by water tank
    `7(1-(1)/(1.4))=2cm` away from lens

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