The power of a biconvex lens is 10 dioptre and the radius of curvature of each surface is 10 cm. Then the refractive index of the material of the lens is |
|||||||

a) |
3/2 |
b) |
4/3 |
c) |
9/8 |
d) |
5/3 |

The power of a biconvex lens is 10 dioptre and the radius of curvature of each surface is 10 cm. Then the refractive index of the material of the lens is |
|||||||

a) |
3/2 |
b) |
4/3 |
c) |
9/8 |
d) |
5/3 |

1 Answer

127 votes

Power of lens, (in dioptre) According to lens maker’s formula For biconvex lens |

127 votes

127