The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm.

(a)

6.5

(b)

5

(c)

8

(d)

5.6

Question ID - 153217 :-

The refractive index of the material of a double convex lens is 1.5 and its focal length is 5 cm. If the radii of curvature are equal, the value of the radius of curvature is ………. cm.

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