The power of a thin convex lens is + 0.5 D. When it is placed in a liquid of refractive index then it behaves as a concave lens of focal length 100 cm. The refractive index of the liquid will be |
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a) |
5/3 |
b) |
4/3 |
c) |
d) |
5/4 |

The power of a thin convex lens is + 0.5 D. When it is placed in a liquid of refractive index then it behaves as a concave lens of focal length 100 cm. The refractive index of the liquid will be |
|||||||

a) |
5/3 |
b) |
4/3 |
c) |
d) |
5/4 |

1 Answer

127 votes

…(i) …(ii) Dividing Eq.(i) by Eq.(ii), we get Or or Or |

127 votes

127