Fri October 14, 2011 By: Tejasv Gupta

A concave mirror has the form of a hemisphere with a radius of r=60 cm.A thin layer of an unknown transparent liquid is poured into the mirror.The mirror-liquid system forms one real image and another real image is formed by mirror alone,with the source in a certain position.One of them coincides with the source and other is at a distance of l=30 cm from source.Find the possible value of refractive index of the liquid.?

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Sat October 15, 2011
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