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An electron travels with a velocity of x...

An electron travels with a velocity of x `ms^(-1).` For a proton to have the same de-Broglie wavelength, the velocity will be approximately:

A

`(v)/(1840)`

B

`(1840)/(v)`

C

`1840v`

D

`v`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If a proton and electron have the same de Broglie wavelength, then

    A
    kinetic energy of electron `lt` kinetic energy of proton
    B
    kinetic energy of electron = kinetic energy of proton
    C
    momentum of electron = momentum of proton
    D
    momentum of electron `lt` momentum of proton

  • An electron and proton have the same de-Broglie wavelength. Then the kinetic energy of the electron is

    A
    Zero
    B
    Infinity
    C
    Equal to the kinetic energy of the proton
    D
    Greater than the kinetic energy of the proton

  • What will happen to the de-Broglie wavelength if the velocity of the electron is increased?

    A
    It will decrease
    B
    It will increase
    C
    It will remain the same
    D
    It will become twice

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