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What is an electron? Give the values of ...

What is an electron? Give the values of charge and mass of an electron.

Text Solution

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Charge `= 1.602 xx 10^(-19)` coulombs, Mass `= 9.11 xx 10^(-31)kg`
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Knowledge Check

  • What is the value of charge on an electron?

    A
    1.6x10^(-19) C
    B
    -1.6x10^(-19) C
    C
    -1.6x10^(19) C
    D
    -1.6x10^(-29) C

  • The electrons are accelerated through a pontential difference V by an electron gun. The electron charge and mass are e and m respectively. The maximum velocity attained by them is

    A
    `(2m)/(eV)`
    B
    `(V^(2))/(2em)`
    C
    `(2eV)/m`
    D
    `sqrt((2eV)/m)`

  • What is charge on 90 kg of electrons?

    A
    `1.58 '10^(13)`
    B
    `2.3 *10^(12)`
    C
    `2.53 * '10^(12)`
    D
    None of these

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    Gyromagnetic ratio of the electron revolving in a circular orbit of hydrogen atom is 8.8 xx 10^(10) C kg^(-1) . What is the mass of the electron ? (Given charge of the electron = 1.6 xx 10^(-19) C)

    A stream of electrons from a heated filaments was passed two charged plates kept at a potential difference Vesu. Ife and m are charge and mass of an electron, respectively, then the value of h// lambda (where lambda is wavelength associated with electron wave) is given by:

    A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference V esu. If c and m are charge and mass of an electron repectively, then the value of h//lambda (where lambda is wavelength associated with electron wave) is given by :

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