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What is the relation between Power and F...

What is the relation between Power and Focal length of the lens ?

Text Solution

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`P=(1)/("f (in meter)")` (OR) `P=(100)/(f("in cms"))`
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Knowledge Check

  • The focal length of a lens depends upon

    A
    nature of the material of lens
    B
    colour of light
    C
    the medium in which lens is placed
    D
    all of the above

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