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What is the difference between lens form...

What is the difference between lens formula and mirror formula?

Text Solution

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The lens formula is `(1)/(f)=(1)/(v)-1/u` and the mirror formula is `(1)/(f)=(1)/(v)+1/u`
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Knowledge Check

  • The lens formula is

    A
    `(1)/(f) = (1)/(v) + (1)/(u)`
    B
    `(1)/(f) = (1)/(v) - (1)/(u)`
    C
    `(1)/(f) - (1)/(v) = (1)/(u)`
    D
    ( d) `(1)/(f) - (1)/(u) = (1)/(v)`

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