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Thin Lens Formula...

Thin Lens Formula

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Knowledge Check

  • Assertion Lens formula can be applied only for thin lenses. Reason For thick lenses one cannot find image position.

    A
    If both Assertion and Reason are true and Reason is the correct explanation of Assertion.
    B
    If both Assertion and Reason are true but Reason is not correct explanation of Assertion.
    C
    If Assertion is true but Reason is false.
    D
    If Assertion is false but Reason is true.

  • Assertion :- Lens formula can be applied only for thin lenses Reason :- For thick lenses one cannot find image position.

    A
    If both Assertion & Reason are True & the Reason is a correct explanation of the Assertion.
    B
    If both Assertion & Reason are True but Reason is not a correct explanation of the Assertion.
    C
    If Assertion is True but the Reason is False.
    D
    If both Assertion & Reason are False.

  • 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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