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In Millikan's oil drop experiment, the c...

In Millikan's oil drop experiment, the charge on a oil drop was found due to an experimental error, to be `8.88 xx 10^(-18)C`. Why can't such a quantity of charge be present on the oil drop ? Explain. (Charge on an electron is `1.6 xx 10^(-19)C`)

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Is it possible for a body to have charge less than `1.6 xx 10^(-19)C` as it is the charge of a fundamental particle? Is `8.88 xx 10^(-18)C` and integral multiple of `1.602 xx 10^(-19)C`?
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Knowledge Check

  • In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 16.35 xx 10^(-19) C . The number of excess electrons on the drop is

    A
    `3.9`
    B
    `4`
    C
    `4.2`
    D
    `6`

  • In Millilan's experiment , the oil drop acquire charge by

    A
    induction
    B
    Friction
    C
    electic field
    D
    magnetic field

  • In millikan's oil drop method, electron charge is accurately measured by conducting an experiment in which

    A
    Apparent weight of drop is balanced by electric forced on it
    B
    Apparent weight of drop is balanced by magnetic forced
    C
    Electic force of drop is equal to magnetic force
    D
    Apparent force of drop of balanced by force due to surface tension

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