Observe the picture of a glass rod placed in the liquids in a glass " What is the reasons for this, explain.
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When this arrangement is viewed from side, the size of the glass rod appears increased in water(μ=1.33) and glass rod(μ=1.5) disappeared in glycerine(μ=1.47) because both the glass rod and glycerine have same refractive index. When mediums have same refractive index the speed of light is same in both the medium, so no bending or refraction takes place.
The size of glass rod appears increased in water due to taking place of refraction.
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