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The de - Broglie wavelength of a particl...

The de - Broglie wavelength of a particle moving with a velocity `2.25 xx 10^(8) m//s` is equal to the wavelength of photon. The ratio of kinetic energy of the particle to the energy of the photon is (velocity of light is `3 xx 10^(8) m//s`

A

`1//8`

B

`3//8`

C

`5//8`

D

`7//8`

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Knowledge Check

  • The de-Broglie wavelength of a particle moving with a speed of 2.25xx10^(8)ms^(-1) is equal to the wavelength of a given photon. The ratio of kinetic energy of the particle to the energy of the given photon is

    A
    `1/8`
    B
    `3/8`
    C
    `5/8`
    D
    `7/8`

  • The de Broglie wavelength of an electron moving with a velocity 1.5 xx 10^(8) ms^(-1) is equal to that of a photon. The ratio of the kinetic energy of the electron to that of the energy of photon is :

    A
    2
    B
    4
    C
    `(1)/(2)`
    D
    `(1)/(4)`

  • The de-Broglie wavelength of a particle having a momentum of 2xx10^(-28) kg m//s is

    A
    `3.3xx10^(-5)` m
    B
    `6.6xx10^(-6) m`
    C
    `3.3xx10^(-6) m`
    D
    `1.65xx10^(-6) m`

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