Two lenses are placed in contact with each other and the focal length of combination is . If the focal length of one is , then the power of the other will be |
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a) |
1.66 |
b) |
4.00 |
c) |
d) |

Two lenses are placed in contact with each other and the focal length of combination is . If the focal length of one is , then the power of the other will be |
|||||||

a) |
1.66 |
b) |
4.00 |
c) |
d) |

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