A combination of two thin convex lenses of focal length 0.3 m and 0.1 m will have minimum spherical and chromatic aberrations if the distance between them is |
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a) |
0.1 m |
b) |
0.2 m |
c) |
0.3 m |
d) |
0.4 m |

A combination of two thin convex lenses of focal length 0.3 m and 0.1 m will have minimum spherical and chromatic aberrations if the distance between them is |
|||||||

a) |
0.1 m |
b) |
0.2 m |
c) |
0.3 m |
d) |
0.4 m |

1 Answer

127 votes

Resolving power of the telescope is Where = diameter of aperture of objective lens = wavelength of light Therefore, resolving power As aperture of the objective lens increases, resolving power of telescope increases. |

127 votes

127