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Calculate the kinetic energy of the elec...

Calculate the kinetic energy of the electron having wavelength 1 nm.

A

2.1 eV

B

3.1 eV

C

1.5 eV

D

4.2 eV

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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

  • If the kinetic energy of a electron , it's debroglie wavelength changes by the factor

    A
    `2`
    B
    `(1)/(2)`
    C
    `sqrt(2)`
    D
    `(1)/(sqrt(2))`

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