An object is lying at the bottom of a tank of height \( 75 \mathrm{~cm} \), which is filled with...

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An object is lying at the bottom of a tank of height \( 75 \mathrm{~cm} \), which is filled with a transparent liquid. The object appears to be at \( 32 \mathrm{~cm} \) from the floor of the -tank. What is the refractive index of the liquid?
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