A plano convex lens of refractive index and focal length is kept in contact with another plano concave lens of refractive index and focal length . If the radius of curvature of their spherical faces is R each and are related as: |
|||

(a) |
+ =3 |
(b) |
=1 |

(c) |
=1 |
(d) |
=1 |

A plano convex lens of refractive index and focal length is kept in contact with another plano concave lens of refractive index and focal length . If the radius of curvature of their spherical faces is R each and are related as: |
|||

(a) |
+ =3 |
(b) |
=1 |

(c) |
=1 |
(d) |
=1 |

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