Rankers Physics

Refraction by Spherical Surfaces: Practice Problem & Solution

A concave spherical surface of radius of curvature 10 cm separates two medium X & Y of refractive index 4/3 & 3/2 respectively. If the object is placed along principal axis in medium X then : Refraction by Spherical Surfaces diagram: A concave spherical surface of radius of curvature
image is always real
image is real if the object distance is greater than 90 cm
image is always virtual
image is virtual if the object distance is less than 90 cm

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