A typical representation of a solar microscope with two lenses, one of which is the condenser and the other is a double convex lens with considerable Stock Vector Image & Art -
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Two symmetrical double convex lenses A and B have same focal length, but the radii of curvature differ so that ${{R}_{B}}=0.9{{R}_{A}}$. If ${{\\mu }_{A}}=1.63$, Find $\\mu_B$.
Double Convex Lenses | CK-12 Foundation
Lenses. Diverging and Converging Lenses Double Convex lenses focus light rays to a point on the opposite side of the lens. Double Concave lenses diverge. - ppt download