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Calculate the kinetic energy of a movin...

Calculate the kinetic energy of a moving electron which has wavelength of 4.8 pm.

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To calculate the kinetic energy of a moving electron with a wavelength of 4.8 pm (picometers), we will follow these steps: ### Step 1: Convert Wavelength to Meters The given wavelength is 4.8 pm. We need to convert this to meters. \[ 4.8 \text{ pm} = 4.8 \times 10^{-12} \text{ m} \] ...
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Knowledge Check

  • The kinetic energy of an electron with de-Broglie wavelength of 3 nm is :

    A
    0.168 eV
    B
    16.6 eV
    C
    1.68 eV
    D
    2.5 eV

  • The kinetic energy of an electron with de-Broglie wavelength of 3 nm is :

    A
    0.168 eV
    B
    16.6 eV
    C
    1.68 eV
    D
    2.5 eV

  • When the kinetic energy of an electron is increased , the wavelength of the associated wave will

    A
    Increase
    B
    Decrease
    C
    Wavelength does depend on the kinetic energy
    D
    None of the above

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    An electron in a hydrogen like atom is in an excited state3 . It has a total energy of -3 4 eV. Calculate : (a) The kinetic energy of electron . (b) The de-Broglie wavelength of electron . ( h = 6.6 xx 10^(023) , m_e = 9 .108 xx 10^(-31) kg)

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