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If kinetic energy of a proton is increas...

If kinetic energy of a proton is increased nine times the wavelength of the de-broglie wave associated with it would become

A

3 times

B

9 times

C

1/3 times

D

1/9times

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Knowledge Check

  • If the kinetic energy of the particle is increase to 16 times its previous value, the percentage change in the de Broglie wavelength of the paarticle is

    A
    0.25
    B
    0.75
    C
    0.6
    D
    0.5

  • Electron used in an electron microscope are accelerated by a voltage of 25 kV. If the voltage is increased to 100 kV then the de Broglie wavelength associated with the electrons would

    A
    increase by 2 times
    B
    decrease by 2 times
    C
    decrease by 4 times
    D
    increase by 4 times

  • Statement I: If the kinetic energy of particles with different masses are same, then the de Broglie wavelength of the particles are inversely proportional to their mass Statement II: Momentum of moving particles is inversely proportional to their de Broglie wavelengths.

    A
    Statement I is true, statement II is true, statement II is a correct explanation for statement I
    B
    Statement I is true, statement II is true, statement II is not a correct explanation for statement I
    C
    statement I is true, statement II is false
    D
    statement I is false, statement II is true

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    For a given kinetic energy the wavelength of which wave is the lowest?

    Show that the circumference of the Bohr orbit for the hydrogen atom is an integral multiple of the de Broglie wavelength associated with the electron revolving around the orbit.

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