A double convex thin lens made of glass (refractive index ) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens, will converge at a distance such that |
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a) |
b) |
c) |
d) |

A double convex thin lens made of glass (refractive index ) has both radii of curvature of magnitude 20 cm. Incident light rays parallel to the axis of the lens, will converge at a distance such that |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

The parallel rays coverage at a distance equal to focal length of lens so So therefore, |

127 votes

127