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Which one of the following is associated...

Which one of the following is associated with a de Broglie wave of longer wavelength-a proton or an electron moving with same velocity ?

Text Solution

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`lamda=(h)/(mv)" "therefore (lamda_(p))/(lamda_(e))` Since `m_(p) gt m_(e)," "therefore lamda_(e) gt lamda_(p)`
Thus the electron is associated with a de Broglie wave of longer wavelength.
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Knowledge Check

  • Which one of the following physical quantities moves with a wave at the same velocity?

    A
    amplitude
    B
    mass
    C
    momenture
    D
    energy

  • The de- Broglie wavelength associated with particle of mass 10^-6 kg moving with a velocity of 10 m/s is

    A
    `6.63xx10^-7`
    B
    `6.63xx10^-16`
    C
    `6.63xx10^-23`
    D
    `6.63xx10^-29`

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