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"S- A concave spherical surface of radius of curvature 100 cm separates twomedia of refractive indices 1.5 and 4/3. An object is placed in the firstmedium at a distance of 30 cm from the surface, then image distance isa) 27.58 cmc) -30 cmb) -27.58 cmd) એક પણ નહિ (None) |
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