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Electron volt (eV) is a unit of...

Electron volt (eV) is a unit of

A

energy

B

potential

C

current

D

charge

Text Solution

Verified by Experts

The correct Answer is:
A

Electron volt is a unit of energy
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Which of the two kilowatt hour or electron volt is a bigger unit of energy and by what factor ?

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Knowledge Check

  • 1 electron volt is equivalent to

    A
    `10^(-7)J`
    B
    `1.6xx10^(-19)J`
    C
    4.186J
    D
    `3.6xx10^(-6)J`
  • The energy of the electron in the first orbit of hydrogen atom is -13.6 eV. Its potential energy is

    A
    `-13.6 eV`
    B
    13.6 eV
    C
    `-27.2 eV`
    D
    27.2 eV
  • Find the kinetic energy of an electron in ( eV) if the de-Broglie wavelength of the radiation produced is 112 Å

    A
    150 eV
    B
    120eV
    C
    12.2 eV
    D
    10 eV
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    The total energy of electrons in the ground state of hydrogen atom is -13.6 eV. The k.E of an electron in the first excited state is

    The total energy of electron in the ground state of hydrogen atom is (-13.6 eV) . The kinetic energy of an electron in the first excited state is