Categories > Ray Optics and Optical Instruments > Refraction of Light at Plane Surfaces > A tank is filled with benzene to a height of 120 mm. The apparent depth of a needle lying at a bottom of the tank is measured by a microscope to be 80 mm. The refractive index of benzene is

Ray Optics and Optical Instruments

Question: A tank is filled with benzene to a height of 120 mm. The apparent depth of a needle lying at a bottom of the tank is measured by a microscope to be 80 mm. The refractive index of benzene is


1) 1.5
2) 2.5
3) 3.5
4) 4.5
Solution: Explanation: No Explanation
Refraction of Light at Plane Surfaces

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