Two lenses of power +12 and dioptres are placed in contact. What will the focal length of combination |
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a) |
b) |
c) |
d) |

Two lenses of power +12 and dioptres are placed in contact. What will the focal length of combination |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

Power of the combination Focal length of the combination |

127 votes

127