A double convex lens +5D is made of glass of refractive index 1.5 with both faces of equal radii of curvature . find the value of curvature.

Question

A double convex lens +5D is made of glass of refractive index 1.5 with both faces of equal radii of curvature . find the value of curvature. (A) 20 cm (B) 10 cm (C) 12 cm (D) 6 cm

Tardigrade Admin · Accepted Answer

P=(1/f)=(μ-1)[(1/R1)-(1/R2)] ; R1=R2

Q. A double convex lens $+ 5 D$ is made of glass of refractive index $1.5$ with both faces of equal radii of curvature . find the value of curvature.

20 cm

10 cm

12 cm

6 cm

$P = \frac{1}{f} = (μ - 1) [\frac{1}{R _{1}} - \frac{1}{R _{2}}]; R_{1} = R_{2}$

Q. A double convex lens +5D is made of glass of refractive index 1.5 with both faces of equal radii of curvature . find the value of curvature.