The radius of curvature of the convex face of a planoconvex lens is 15 cm and the refractive index of the material is 1.4. Then the power of the lens in diopter is |
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a) |
1.6 |
b) |
1.66 |
c) |
2.6 |
d) |
2.66 |
The radius of curvature of the convex face of a planoconvex lens is 15 cm and the refractive index of the material is 1.4. Then the power of the lens in diopter is |
|||||||
a) |
1.6 |
b) |
1.66 |
c) |
2.6 |
d) |
2.66 |
(d) For planoconvex lens Therefore, power of the lens in diopter |