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If the maśs of Hydrogen nucleus is 1.67 ...

If the maśs of Hydrogen nucleus is 1.67 'xx 10^-27' kg and that of the electron is 9.11 'xx 10^-31'kg and the distance between them is 5.29 'xx 10^-11'm, then what is the GRAVITATIONal force between them?

Text Solution

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3.626 .xx 10^-47. Newton
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Knowledge Check

  • If e/m of electron is 1.76 xx 10^(11) "C kg"^(-1) and the stopping potential is 0.71 V, then the maximum velocity of the photo-electron is

    A
    150 `kms^(-1)`
    B
    200 `kms^(-1)`
    C
    500 `kms^(-1)`
    D
    250 `kms^(-1)`

  • Order of magnitude of density of uranium nucleus is (m_p =1.67 xx 10^(-27) kg]

    A
    `10^(20 )kg//m^3`
    B
    `10^(17 )kg//m^3`
    C
    `10^(14 )kg//m^3`
    D
    `10^(11 )kg//m^3`

  • A radioactive nucleus initially at rest decays by emitting an electron and neutron at right angles to one another. The momentum of electron is 3.2 xx 10^(-2) kg-m//"sec" and that of the neutron is 6.4 xx 10^(-23) kg-m//"sec" . the direction of the recoiling nucleus with that of the electron motion is:

    A
    `tan^(-1) (0.5)`
    B
    `tan^(-1) (2)`
    C
    `pi - tan^(-1)(2)`
    D
    `pi/2 + tan^(-1) (2)`

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