Consider the situation shown in Fig. Water (μ=4/3) is filled in a beaker upto a height of 10cm. A plane mirror is fixed at a height of 5cm from the surface of water. Distance of image from the mirror after reflection from it of an object O at the bottom of the beaker is
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Correct option is B)
As seen from out side shift observed due to water is t×(1−μ1)=10×(1−43)=2.5
and for the mirror object distance is 5+10−2.5=12.5
Hence the image distance from mirror is 12.5, Hence option B is correct .