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The value of charge on the oil droplets ...

The value of charge on the oil droplets experimentally observed were `-1.6 xx 10^(-19)` and `-4 xx 10^(-19)` coulomb. The value of the electronic charge, indicated by these results is

A

`1.6 xx 10^(-19)`

B

`-2.4 xx 10^(-19)`

C

`-4 xx 10^(-19)`

D

`-0.8 xx 10^(-19)`

Text Solution

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The correct Answer is:
D
q = ne
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The value of charge on the oil droplets experimentally observed were -1.6 xx 10^(-19), - 2.4 xx 10^(-19) and - 4xx10^(-19) C. The value of electronic charge, indicated by these results is (1) -1.6 xx 10^(-19) (2) -2.4 xx 10^(-19) (3) -4 xx 10^(-19) (4) - 0.8 xx 10^(-19)

In an experiment to measure the charge on an electron, the following values of charge were found on oil droplets: -1.6 xx 10^(-15), -2.4 xx 10^(-19),-4.0 xx 10^(-19) (in coulomb). What values of electronic charge would be indicated by these results?

Knowledge Check

  • The values of charge on the oil droplets experimentally observed were -1.6 xx10^(-19), -2.4 xx10^(-19) and -4 xx 10^(-19) coulomb. The value of the electronic charge, indicated by these results is

    A
    `-1.6 xx 10^(-19)`
    B
    `-2.4 xx 10^(-19)`
    C
    `-4 xx 10^(-19)`
    D
    `-0.8 xx 10^(-19)`

  • The charge of an electron is -1.6 xx10^(-19) C. The value of free charge on Li^+ ion will be

    A
    `3.6xx10^(-19)` C
    B
    `1xx10^(-19)` C
    C
    `1.6xx10^(-19)` C
    D
    `2.6xx10^(-19)` C

  • 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`

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