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A concave mirror has the form of a hemis...

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

Text Solution

Verified by Experts

The correct Answer is:
`1.5` or `(sqrt(5)-1)`
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