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NEET Sample Paper NEET Sample Test Paper-10

  • question_answer
    A plane mirror's placed at the bottom of a tank containing a liquid of refractive index \[\mu ,\] P is a small object at a height h above the plane mirror. An observer O, vertically above \[{{P}_{app}}\] outside the liquid. Observer, P and its image in the mirror. The apparent distance between object and its image and will be:

    A)  \[2\mu h\]                   

    B)  \[\frac{2h}{\mu }\]

    C)  \[\frac{2h}{\mu -1}\]                 

    D)  \[h\left( \frac{1}{\mu } \right)\]

    Correct Answer: B

    Solution :

    X is distance of object from surface apparent depth of object from surface \[=\frac{x}{\mu }\] Apparent depth of image from surface             \[=\frac{x+2h}{\mu }\] Distance between the apparent depths of object and image                                 \[=\frac{x+2h}{\mu }-\frac{x}{\mu }=\frac{2h}{\mu }\]


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